宝妮妮开始学习了～ · 从音标到流利对话

🦉 宝妮妮开始学习了～

从音标起步 → 语音进阶 → 教材同步 → 生活对话 → 儿歌跟唱

选一个学习计划，开始你的英语之旅吧！

🏠 我的学习计划

选一个适合你的学习周期，系统会自动把全部课程拆成每天的任务。坚持打卡，你会惊喜地发现英语越来越简单！

💡 计划怎么选？

30 天速成：每天 20–30 分钟，只学最核心的音标、拼读和高频词汇，快速入门。

90 天标准：每天 15–20 分钟，完整覆盖音标、拼读、语音进阶、词汇、句型和生活用语，稳步提升。

180 天精学：每天 10–15 分钟，全部内容 + 语法 + 阅读策略 + 儿歌，学得扎实又轻松。

元音发音

元音是英语的心脏，声音要饱满、嘴巴形状很重要。点一点卡片，先听一遍，再跟着读两遍。✅ 表示你已经练过啦。

🌞 短元音（声音短促，像小皮球）

点击整张卡片可听发音

🌙 长元音（嘴巴拉长，像小火车呜——）

注意口型大小变化

💧 双元音（一个音滑向另一个音）

像滑滑梯，从前往后滑

🌟 延伸学习 · 更多元音乐趣

绕口令 Tongue Twisters：练 /æ/ 说 "A big black cat sat on a fat mat."；练 /iː/ 说 "Three green trees."

最小对立对 Minimal Pairs：/ɪ/ vs /iː/ — ship vs sheep（船 vs 羊）；/æ/ vs /e/ — bad vs bed（坏 vs 床）。听辨练习超有用！

趣味小任务：对着镜子看口型，录下自己的发音，和真人发音对比，找出不一样的元音。

辅音发音

辅音像小积木，和元音拼在一起就成了单词。轻辅音（清脆无声）和浊辅音（带声带振动）要分清哦。

🫧 清辅音（声带不振动，轻快）

手放喉咙，感觉不到震动

🥁 浊辅音（声带振动，饱满）

手放喉咙，能感到震动

🌟 延伸学习 · 辅音小挑战

清浊对比：把手指放在喉咙上，读 "pig / big"、"tea / deer"，感觉 /p/ /t/ /k/ 不振动、/b/ /d/ /g/ 会振动。

咬舌音专练：/θ/ 和 /ð/ 是中文没有的音。练 "three, thank, this, that"，舌尖一定要轻轻伸出齿间。

绕口令："She sells seashells by the seashore."（练 /ʃ/ 和 /s/）；"Red lorry, yellow lorry."（练 /r/ 和 /l/）。

自然拼读 Phonics

看到字母组合，就能读出单词！这是英语国家小朋友认字的方法。学会它，你见词能读、听音能写。

🔤 字母的发音

字母名 ≠ 字母音，两样都要会

🧩 拼读小练习（一个音一个音连起来）

先听分解音，再听完整读音

✨ 高频字母组合

记住这些，能读成百上千个词

🌟 延伸学习 · 拼读闯关

更多字母组合：ai/ay 发 /eɪ/（rain, play）、oa/ow 发 /əʊ/（boat, snow）、ou/ow 发 /aʊ/（house, cow）。

魔法 e 家族：cap→cape、kit→kite、cut→cute、rob→robe，试着找规律。

拼读打卡：每天用拼读法读 5 个新单词，读对了给自己一颗小星星 ⭐。

语音进阶 📈

48 个音标只是起点。这一级按「音节 → 重音 → 连读 → 弱读 → 语调」五个台阶逐级加深——这是"听懂美国人说话"的关键。每个规则都有 📖 中文解析和例句示范，点 🔊 听给你听。

分类词汇

按主题学单词，最容易记住。先听发音，再大声说出来，最后试着说一个完整句子。

教材同步 📚

参考美国小学语文（Wonders / Journeys 等）低中年级教学大纲的三大核心：高频词（见字就读）、核心语法（12 条规则）、阅读策略（6 把金钥匙）。每条规则都有 📖 中文解析 + 例句跟读。

简单句子

会说句子，才真正会用英语。点 🔊 反复听，注意语调——疑问句末尾要上扬，陈述句末尾下降。

生活用语 💬

把英语用起来！8 个真实生活场景，都是美国小朋友每天真正在说的话。每句配中文翻译 + 用法解析（什么时候说、对谁说、怎么回）。先点 🔊 听，再自己说一遍。

日常对话

真实场景练起来！先听整段对话，再点每句话逐句跟读。学会了就能和外国小朋友聊天啦。

儿歌跟唱 🎵

15 首美国 7–10 岁孩子几乎都会唱的传统经典儿歌。每首都有逐句中英对照、关键词汇解析和句型解析，还能逐句播放或整首连播。跟着唱，英语自然就顺口了！

听力小测验

听一听，选一选。看看你记住多少！答对会变成绿色，答错再听一遍就好。

第 1 题

apple

点击下面的按钮听发音

得分：0 / 0

🦉 选一个学习计划（30 / 90 / 180 天），系统会帮你把全部课程拆成每天的任务。
每个知识点都有「中文解析 + 真人发音按钮」，还能切换男声/女声、美音/英音、调节语速。坚持打卡，英语越来越顺口！

✅

${item.sym || item.letter || ''}

${item.ipa || item.sound || ''}

${item.cn}

${item.ex?`

${item.ex}${item.exCn}

`:''} ${item.parts?`

${item.parts.join(' · ')} → ${item.word}

`:''} ${item.combo?`

${item.combo} ${item.sound}

`:''} ${item.tip?`

💡 ${item.tip}${item.words?'
'+item.words.join(' · '):''}

`:''} `; const btn = el.querySelector('.play'); btn.addEventListener('click', e=>{ e.stopPropagation(); playText(); markLearned(item[idKey]); el.classList.add('learned'); }); el.addEventListener('click', ()=>{ playText(); markLearned(item[idKey]); el.classList.add('learned'); }); return el; } function renderUnits(containerId, items, textFn, extraRender){ const box = document.getElementById(containerId); items.forEach(item=>{ box.appendChild(unitCard(item, ()=> textFn(item))); }); if(extraRender) extraRender(box); } /* ================================================================== 各区渲染 ================================================================== */ safe(function(){ renderUnits('shortVowels', shortVowels, it=>it.ex); }); safe(function(){ renderUnits('longVowels', longVowels, it=>it.ex); }); safe(function(){ renderUnits('diphthongs', diphthongs, it=>it.ex); }); safe(function(){ renderUnits('voiceless', voiceless, it=>it.ex); }); safe(function(){ renderUnits('voiced', voiced, it=>it.ex); }); safe(function(){ renderUnits('letterSounds', letterSounds, it=>it.word); }); safe(function(){ renderUnits('blendCards', blends, it=>it.word); }); safe(function(){ renderUnits('comboCards', combos, it=>it.words.join('. ')); }); /* 词汇主题 */ function renderVocab(groupId){ const g = vocabGroups.find(x=>x.id===groupId) || vocabGroups[0]; const body = document.getElementById('vocabBody'); body.innerHTML = ''; const card = document.createElement('div'); card.className = 'card'; card.innerHTML = `

${g.name}

点整行可播放

`; g.words.forEach(w=>{ const row = document.createElement('div'); row.className = 'word-row' + (progress['v_'+g.id+'_'+w.en]?' word-learned':''); row.innerHTML = `

${w.emoji}

${w.en}${w.ipa}

${w.cn}

${w.note?`📝 ${w.note}`:''}

`; const playIt = ()=>{ playText(w.en, row.querySelector('.play-round')); progress['v_'+g.id+'_'+w.en]=1; SafeStore.set(STORE_KEY, JSON.stringify(progress)); row.classList.add('word-learned'); updateProgress(); }; row.querySelector('.play-round').addEventListener('click', e=>{e.stopPropagation();playIt();}); row.addEventListener('click', playIt); card.appendChild(row); }); body.appendChild(card); } function buildVocabNav(){ const nav = document.getElementById('vocabNav'); vocabGroups.forEach((g,i)=>{ const b = document.createElement('button'); b.className='tool-btn'+(i===0?' on':''); b.textContent = g.name; b.onclick = ()=>{ nav.querySelectorAll('.tool-btn').forEach(x=>x.classList.remove('on')); b.classList.add('on'); renderVocab(g.id); }; nav.appendChild(b); }); renderVocab(vocabGroups[0].id); } safe(function(){ buildVocabNav(); }); /* 句子 */ function renderSent(groupId){ const g = sentenceGroups.find(x=>x.id===groupId) || sentenceGroups[0]; const body = document.getElementById('sentBody'); body.innerHTML=''; const card = document.createElement('div'); card.className='card'; card.innerHTML = `

${g.name}

点整句跟读

${g.tip?`

${g.tip}

`:''}`; g.lines.forEach((l,i)=>{ const id = 's_'+g.id+'_'+i; const row = document.createElement('div'); row.className='line'; row.innerHTML = `

${l.en} ${l.cn} ${l.why?`📝 ${l.why}`:''}

`; const playIt = ()=>{ playText(l.en, row.querySelector('.play-round')); progress[id]=1; SafeStore.set(STORE_KEY, JSON.stringify(progress)); updateProgress(); }; row.querySelector('.play-round').addEventListener('click', e=>{e.stopPropagation();playIt();}); row.addEventListener('click', playIt); card.appendChild(row); }); const allBtn = document.createElement('button'); allBtn.className='big-play'; allBtn.textContent='▶ 连续播放整段'; allBtn.onclick = ()=>{ playText(g.lines.map(x=>x.en).join('. '), allBtn); g.lines.forEach((l,i)=>progress['s_'+g.id+'_'+i]=1); SafeStore.set(STORE_KEY, JSON.stringify(progress)); updateProgress(); }; card.appendChild(allBtn); body.appendChild(card); } function buildSentNav(){ const nav = document.getElementById('sentNav'); sentenceGroups.forEach((g,i)=>{ const b=document.createElement('button'); b.className='tool-btn'+(i===0?' on':''); b.textContent=g.name; b.onclick=()=>{ nav.querySelectorAll('.tool-btn').forEach(x=>x.classList.remove('on')); b.classList.add('on'); renderSent(g.id); }; nav.appendChild(b); }); renderSent(sentenceGroups[0].id); } safe(function(){ buildSentNav(); }); /* 对话 */ function renderTalk(groupId){ const g = talkGroups.find(x=>x.id===groupId) || talkGroups[0]; const body = document.getElementById('talkBody'); body.innerHTML=''; const card = document.createElement('div'); card.className='card'; card.innerHTML = `

${g.name}

点每句跟读

${g.tip?`

${g.tip}

`:''}`; g.lines.forEach((l,i)=>{ const id = 't_'+g.id+'_'+i; const row = document.createElement('div'); row.className = 'line' + (l.who==='B'?' right':''); row.innerHTML = `

${l.who}
${l.en} ${l.cn} ${l.why?`📝 ${l.why}`:''}

`; const playIt = ()=>{ playText(l.en, row.querySelector('.play-round')); progress[id]=1; SafeStore.set(STORE_KEY, JSON.stringify(progress)); updateProgress(); }; row.querySelector('.play-round').addEventListener('click', e=>{e.stopPropagation();playIt();}); row.addEventListener('click', playIt); card.appendChild(row); }); const allBtn=document.createElement('button'); allBtn.className='big-play'; allBtn.textContent='▶ 连续播放整段对话'; allBtn.onclick=()=>{ playText(g.lines.map(x=>x.en).join('. '), allBtn); g.lines.forEach((l,i)=>progress['t_'+g.id+'_'+i]=1); SafeStore.set(STORE_KEY, JSON.stringify(progress)); updateProgress(); }; card.appendChild(allBtn); body.appendChild(card); } function buildTalkNav(){ const nav=document.getElementById('talkNav'); talkGroups.forEach((g,i)=>{ const b=document.createElement('button'); b.className='tool-btn'+(i===0?' on':''); b.textContent=g.name; b.onclick=()=>{ nav.querySelectorAll('.tool-btn').forEach(x=>x.classList.remove('on')); b.classList.add('on'); renderTalk(g.id); }; nav.appendChild(b); }); renderTalk(talkGroups[0].id); } safe(function(){ buildTalkNav(); }); /* ================================================================== 语音进阶渲染 ================================================================== */ function renderAdv(){ const body = document.getElementById('advBody'); body.innerHTML=''; advData.forEach((sec, si)=>{ const card = document.createElement('div'); card.className='card'; const lvClass = sec.lv>=4?'lv4':sec.lv>=3?'lv3':sec.lv>=2?'lv2':''; card.innerHTML = `

${sec.title}难度 ${sec.lv}/4

💡 一句话讲清：${sec.intro}

${sec.rules.map(r=>'• '+r).join('
')}

🎧 例句示范

点 🔊 听

`; sec.ex.forEach(e=>{ const row = document.createElement('div'); row.className='ex-row'; row.innerHTML = `

${e.en}${e.ipa?` ${e.ipa}`:''}

${e.cn}

📝 ${e.why}

`; const id = 'adv_'+si+'_'+e.en; const playIt = ()=>{ playText(e.en, row.querySelector('.play-round'), {slow:true}); progress[id]=1; SafeStore.set(STORE_KEY, JSON.stringify(progress)); updateProgress(); }; row.querySelector('.play-round').addEventListener('click', ev=>{ev.stopPropagation();playIt();}); row.addEventListener('click', playIt); card.appendChild(row); }); body.appendChild(card); }); } safe(function(){ renderAdv(); }); /* ================================================================== 教材同步渲染（高频词 / 语法 / 阅读） ================================================================== */ function renderText(tabIdx){ const body = document.getElementById('textBody'); body.innerHTML=''; if(tabIdx===0){ const card=document.createElement('div'); card.className='card'; card.innerHTML=`

⭐ 高频词 Sight Words（${sightWords.length} 个）

点一点听发音

高频词是英语里出现最多的词，很多不能靠拼读猜出来，需要"看一眼就认识"。美国孩子每天练，你也试试！

`; const chipWrap=document.createElement('div'); chipWrap.className='chip-grid'; chipWrap.style.marginTop='12px'; sightWords.forEach(sw=>{ const b=document.createElement('button'); b.className='chip'+(progress['sw_'+sw.w]?' learned':''); b.innerHTML=`${sw.w}${sw.cn}${sw.t}`; const playIt=()=>{ playText(sw.w, b); progress['sw_'+sw.w]=1; SafeStore.set(STORE_KEY, JSON.stringify(progress)); b.classList.add('learned'); updateProgress(); }; b.addEventListener('click', playIt); chipWrap.appendChild(b); }); card.appendChild(chipWrap); body.appendChild(card); } else if(tabIdx===1){ grammarData.forEach((g,gi)=>{ const card=document.createElement('div'); card.className='card'; const lvClass = g.lv>=3?'lv3':g.lv>=2?'lv2':''; card.innerHTML=`

${g.point}难度 ${g.lv}/4

${g.rule}

`; g.ex.forEach(e=>{ const row=document.createElement('div'); row.className='ex-row'; row.innerHTML=`

${e.en}

${e.cn}

📝 ${e.why}

`; const id='gr_'+gi+'_'+e.en; const playIt=()=>{ playText(e.en, row.querySelector('.play-round')); progress[id]=1; SafeStore.set(STORE_KEY, JSON.stringify(progress)); updateProgress(); }; row.querySelector('.play-round').addEventListener('click',ev=>{ev.stopPropagation();playIt();}); row.addEventListener('click', playIt); card.appendChild(row); }); body.appendChild(card); }); } else { readingData.forEach((r,ri)=>{ const card=document.createElement('div'); card.className='card'; const lvClass = r.lv>=3?'lv3':r.lv>=2?'lv2':''; card.innerHTML=`

${r.name}难度 ${r.lv}/4

${r.tip}

`; r.ex.forEach(e=>{ const row=document.createElement('div'); row.className='ex-row'; row.innerHTML=`

${e.en}

${e.cn}

📝 ${e.why}

`; const id='rd_'+ri+'_'+e.en; const playIt=()=>{ playText(e.en, row.querySelector('.play-round')); progress[id]=1; SafeStore.set(STORE_KEY, JSON.stringify(progress)); updateProgress(); }; row.querySelector('.play-round').addEventListener('click',ev=>{ev.stopPropagation();playIt();}); row.addEventListener('click', playIt); card.appendChild(row); }); body.appendChild(card); }); } } function buildTextNav(){ const nav=document.getElementById('textNav'); ['⭐ 高频词','🧮 核心语法','🔑 阅读策略'].forEach((name,i)=>{ const b=document.createElement('button'); b.className='tool-btn'+(i===0?' on':''); b.textContent=name; b.onclick=()=>{ nav.querySelectorAll('.tool-btn').forEach(x=>x.classList.remove('on')); b.classList.add('on'); renderText(i); }; nav.appendChild(b); }); renderText(0); } safe(function(){ buildTextNav(); }); /* ================================================================== 生活用语渲染 ================================================================== */ function renderLife(groupId){ const g = lifeGroups.find(x=>x.id===groupId) || lifeGroups[0]; const body = document.getElementById('lifeBody'); body.innerHTML=''; const card=document.createElement('div'); card.className='card'; card.innerHTML=`

${g.name}

点整句跟读

${g.tip?`

${g.tip}

`:''}`; g.lines.forEach((l,i)=>{ const row=document.createElement('div'); row.className='line'; row.innerHTML=`

${l.en} ${l.cn} 📝 ${l.why}

`; const id='lf_'+g.id+'_'+i; const playIt=()=>{ playText(l.en, row.querySelector('.play-round')); progress[id]=1; SafeStore.set(STORE_KEY, JSON.stringify(progress)); updateProgress(); }; row.querySelector('.play-round').addEventListener('click',ev=>{ev.stopPropagation();playIt();}); row.addEventListener('click', playIt); card.appendChild(row); }); const allBtn=document.createElement('button'); allBtn.className='big-play'; allBtn.textContent='▶ 连续播放整段'; allBtn.onclick=()=>{ playText(g.lines.map(x=>x.en).join('. '), allBtn); g.lines.forEach((l,i)=>progress['lf_'+g.id+'_'+i]=1); SafeStore.set(STORE_KEY, JSON.stringify(progress)); updateProgress(); }; card.appendChild(allBtn); body.appendChild(card); } function buildLifeNav(){ const nav=document.getElementById('lifeNav'); lifeGroups.forEach((g,i)=>{ const b=document.createElement('button'); b.className='tool-btn'+(i===0?' on':''); b.textContent=g.name; b.onclick=()=>{ nav.querySelectorAll('.tool-btn').forEach(x=>x.classList.remove('on')); b.classList.add('on'); renderLife(g.id); }; nav.appendChild(b); }); renderLife(lifeGroups[0].id); } safe(function(){ buildLifeNav(); }); /* ================================================================== 儿歌跟唱渲染 ================================================================== */ function renderSongs(){ const body=document.getElementById('songBody'); body.innerHTML=''; songData.forEach((song,si)=>{ const card=document.createElement('div'); card.className='card'; card.innerHTML=`

🎵 ${song.title} 《${song.cn}》

${song.tip}

`; const listWrap=document.createElement('div'); song.lines.forEach((l,li)=>{ const row=document.createElement('div'); row.className='sline'; row.innerHTML=`

${l.en}

${l.cn}

${l.note?`

📝 ${l.note}

`:''}

`; const id='sg_'+song.id+'_'+li; const playIt=()=>{ playText(l.en, row.querySelector('.play-round'), {slow:true}); progress[id]=1; SafeStore.set(STORE_KEY, JSON.stringify(progress)); updateProgress(); }; row.querySelector('.play-round').addEventListener('click',ev=>{ev.stopPropagation();playIt();}); row.addEventListener('click', playIt); listWrap.appendChild(row); }); card.appendChild(listWrap); const allBtn=document.createElement('button'); allBtn.className='big-play'; allBtn.textContent='▶ 整首连唱'; allBtn.onclick=()=>{ playText(song.lines.map(x=>x.en).join(' '), allBtn); song.lines.forEach((l,li)=>progress['sg_'+song.id+'_'+li]=1); SafeStore.set(STORE_KEY, JSON.stringify(progress)); updateProgress(); }; card.appendChild(allBtn); const vocabTitle=document.createElement('div'); vocabTitle.className='card-head'; vocabTitle.style.marginTop='14px'; vocabTitle.innerHTML=`

📚 关键词汇

点词听发音`; card.appendChild(vocabTitle); const vg=document.createElement('div'); vg.className='song-vocab'; song.vocab.forEach(v=>{ const item=document.createElement('div'); item.className='sv-item'; item.innerHTML=`

${v.w}

${v.t}

`; item.addEventListener('click', ()=> playText(v.w, null)); vg.appendChild(item); }); card.appendChild(vg); const gr=document.createElement('div'); gr.className='rule'; gr.style.marginTop='12px'; gr.innerHTML=`🔤 句型解析：${song.grammar}`; card.appendChild(gr); body.appendChild(card); }); } safe(function(){ renderSongs(); }); /* ================================================================== 小测验 ================================================================== */ const quizPool = vocabGroups.reduce((a,g)=>a.concat(g.words),[]) ; let quiz = { cur:null, opts:[], score:0, total:0, locked:false }; function newQuestion(){ quiz.locked = false; const word = quizPool[Math.floor(Math.random()*quizPool.length)]; const distractors = quizPool.filter(w=>w.en!==word.en) .sort(()=>Math.random()-0.5).slice(0,3); const opts = [word, ...distractors].sort(()=>Math.random()-0.5); quiz.cur = word; quiz.opts = opts; document.getElementById('quizWord').textContent = '❓ ？？？'; document.getElementById('quizCn').textContent = '点击 "🔊 播放单词" 听发音'; const optsBox = document.getElementById('quizOpts'); optsBox.innerHTML=''; opts.forEach(o=>{ const b=document.createElement('button'); b.className='opt'; b.textContent=`${o.emoji} ${o.cn}`; b.onclick=()=>{ if(quiz.locked) return; quiz.locked=true; quiz.total++; if(o.en===word.en){ b.classList.add('right'); quiz.score++; progress['quiz_'+word.en]=1; SafeStore.set(STORE_KEY, JSON.stringify(progress)); updateProgress(); setTimeout(newQuestion, 800); }else{ b.classList.add('wrong'); // 高亮正确答案 optsBox.querySelectorAll('.opt').forEach((el,idx)=>{ if(opts[idx].en===word.en) el.classList.add('right'); }); document.getElementById('quizWord').textContent = word.en; setTimeout(()=>{ quiz.locked=false; }, 1200); } document.getElementById('quizScore').textContent = `得分：${quiz.score} / ${quiz.total}`; }; optsBox.appendChild(b); }); document.getElementById('quizRound').textContent = `第 ${quiz.total+1} 题`; } document.getElementById('quizPlay').onclick = function(){ if(quiz.cur) playText(quiz.cur.en, this); }; document.getElementById('quizNext').onclick = newQuestion; safe(function(){ newQuestion(); }); /* ================================================================== Tabs 切换 + 上一步/下一步 ================================================================== */ const tabOrder = ['pplan','p1','p2','p3','padv','p4','ptext','p5','plife','p6','psong','p7']; function switchTab(idx){ idx = Math.max(0, Math.min(tabOrder.length-1, idx)); const id = tabOrder[idx]; document.querySelectorAll('section').forEach(s=>s.classList.remove('show')); document.getElementById(id).classList.add('show'); document.querySelectorAll('.tab').forEach(t=>t.classList.toggle('active', t.dataset.t===id)); window.scrollTo({top:0,behavior:'smooth'}); } document.getElementById('tabs').addEventListener('click', e=>{ const btn = e.target.closest('.tab'); if(!btn) return; switchTab(tabOrder.indexOf(btn.dataset.t)); }); document.getElementById('btnNext').onclick = ()=>{ const cur = tabOrder.findIndex(id=>document.getElementById(id).classList.contains('show')); switchTab(cur+1); }; document.getElementById('btnPrev').onclick = ()=>{ const cur = tabOrder.findIndex(id=>document.getElementById(id).classList.contains('show')); switchTab(cur-1); }; document.getElementById('btnStop').onclick = ()=>VOICE.stop(); /* ================================================================== 发声设置面板 ================================================================== */ document.getElementById('segGender').addEventListener('click', e=>{ const b = e.target.closest('button'); if(!b) return; document.querySelectorAll('#segGender button').forEach(x=>x.classList.remove('on')); b.classList.add('on'); VOICE.gender = b.dataset.g; }); document.getElementById('segAccent').addEventListener('click', e=>{ const b = e.target.closest('button'); if(!b) return; document.querySelectorAll('#segAccent button').forEach(x=>x.classList.remove('on')); b.classList.add('on'); VOICE.accent = b.dataset.a; playText('Hello, I can speak English!', null); }); const rangeSpeed = document.getElementById('rangeSpeed'); rangeSpeed.addEventListener('input', ()=>{ VOICE.rate = parseFloat(rangeSpeed.value); document.getElementById('speedVal').textContent = VOICE.rate.toFixed(2)+'x'; }); document.getElementById('btnVoiceCfg').onclick = ()=>{ const p = document.getElementById('voicePanel'); p.style.display = p.style.display==='none' ? 'block' : 'none'; p.scrollIntoView({behavior:'smooth', block:'nearest'}); }; document.getElementById('btnTestVoice').onclick = ()=>{ VOICE.speak('Hello! This is a voice test. 你好，这是发音测试。', {}); }; /* ================================================================== 学习计划系统（30 / 90 / 180 天） ================================================================== */ const PLAN_KEY = 'kids_english_plan_v1'; let plan = safeParse(SafeStore.get(PLAN_KEY), null); // 课程大纲：按学习顺序排列的模块 const curriculum = [ {id:'p1', name:'元音发音', icon:'🔤', tab:'p1', count:()=>shortVowels.length+longVowels.length+diphthongs.length}, {id:'p3', name:'自然拼读', icon:'🧩', tab:'p3', count:()=>letterSounds.length+blends.length+combos.length}, {id:'padv',name:'语音进阶', icon:'📈', tab:'padv',count:()=>advData.reduce((a,x)=>a+x.ex.length,0)}, {id:'p4', name:'分类词汇', icon:'📚', tab:'p4', count:()=>vocabGroups.reduce((a,g)=>a+g.words.length,0)}, {id:'p5', name:'句型句子', icon:'💬', tab:'p5', count:()=>sentenceGroups.reduce((a,g)=>a+g.lines.length,0)}, {id:'plife',name:'生活用语', icon:'🏡', tab:'plife',count:()=>lifeGroups.reduce((a,g)=>a+g.lines.length,0)}, {id:'p6', name:'日常对话', icon:'👫', tab:'p6', count:()=>talkGroups.reduce((a,g)=>a+g.lines.length,0)}, {id:'psong',name:'儿歌跟唱', icon:'🎵', tab:'psong',count:()=>songData.reduce((a,s)=>a+s.lines.length,0)}, {id:'ptext',name:'教材同步·语法', icon:'🧮', tab:'ptext',count:()=>grammarData.reduce((a,x)=>a+x.ex.length,0)}, {id:'ptext2',name:'教材同步·阅读', icon:'🔑', tab:'ptext',count:()=>readingData.length}, {id:'ptext3',name:'教材同步·高频词',icon:'⭐', tab:'ptext',count:()=>sightWords.length}, ]; const PLANS = { 30:{name:'30 天速成', emoji:'🚀', days:30, modules:['p1','p3','p4','p5'], desc:'每天 20–30 分钟。只学最核心的：音标 → 拼读 → 高频词汇 → 基本句型。适合想快速入门、立刻开口的小朋友。'}, 90:{name:'90 天标准', emoji:'🌟', days:90, modules:['p1','p3','padv','p4','p5','plife','p6'], desc:'每天 15–20 分钟。完整覆盖音标、拼读、语音进阶、词汇、句型、生活用语和对话。节奏舒适，稳步过关。', popular:true}, 180:{name:'180 天精学', emoji:'🐢', days:180, modules:['p1','p3','padv','p4','p5','plife','p6','psong','ptext','ptext2','ptext3'], desc:'每天 10–15 分钟。学完全部内容，还包括语法、阅读策略、高频词和 15 首儿歌。学得扎实，尤其适合打基础。'}, }; function buildDailyPlan(days, moduleIds){ const mods = curriculum.filter(m=>moduleIds.includes(m.id)); const tasks = []; mods.forEach(m=>{ const c = m.count(); for(let i=0;i= days){ // 任务比天数多：尽可能均匀，且保证正好 days 天 const base = Math.floor(tasks.length/days); const extra = tasks.length % days; // 前 extra 天各多 1 个 let pos = 0; for(let d=0; d{ daily.push({day:td, items:[t], review:(i%2===1)}); td += gap || 1; }); // 补齐剩余天数，作为"复习日" while(daily.length < days){ const t = tasks[daily.length % tasks.length]; daily.push({day:daily.length+1, items:[t], review:true}); } // 重新编号 + 合并同一天 const merged = []; daily.forEach(d=>{ const last = merged[merged.length-1]; if(last && last.day===d.day) last.items.push(...d.items); else merged.push({day:d.day, items:d.items.slice(), review:d.review}); }); return {daily:merged.map((d,i)=>({day:i+1, items:d.items})), total:tasks.length, perDay:1}; } return {daily, total:tasks.length, perDay:Math.ceil(tasks.length/days)}; } function dailyLoad(p){ const mods = curriculum.filter(m=>p.modules.includes(m.id)); const total = mods.reduce((a,m)=>a+m.count(),0); return Math.max(1, Math.round(total/p.days)); } function renderPlanGrid(){ const grid = document.getElementById('planGrid'); if(!grid) return; grid.innerHTML=''; Object.entries(PLANS).forEach(([k,p])=>{ const el = document.createElement('div'); el.className = 'plan-card' + (plan && plan.days==p.days ? ' active':''); el.innerHTML = ` ${p.popular?'

最受欢迎

':''} ${p.emoji}

${p.name}

${p.days} 天 · 每天约 ${dailyLoad(p)} 个知识点

${p.desc}

`; el.onclick = ()=> choosePlan(parseInt(k)); grid.appendChild(el); }); } function choosePlan(days){ const cfg = PLANS[days]; const built = buildDailyPlan(cfg.days, cfg.modules); plan = { days, name:cfg.name, emoji:cfg.emoji, startDate: new Date().toISOString().slice(0,10), daily: built.daily.map(d=>({day:d.day, modules:[...new Set(d.items.map(it=>it.mod.id))], count:d.items.length})), total: built.total, perDay: built.perDay, lastVisit: new Date().toISOString().slice(0,10) }; SafeStore.set(PLAN_KEY, JSON.stringify(plan)); safe(function(){ renderPlanGrid(); }); renderDashboard(); } function todayPlan(){ if(!plan) return null; const idx = Math.min(plan.daily.length-1, daysSince(plan.startDate)); return idx >= 0 ? plan.daily[idx] : plan.daily[0]; } function daysSince(dateStr){ const d0 = new Date(dateStr+'T00:00:00'); const now = new Date(); now.setHours(0,0,0,0); return Math.round((now - d0)/86400000); } function renderDashboard(){ const dash = document.getElementById('planDash'); const intro = document.getElementById('planIntro'); if(!plan){ dash.style.display='none'; if(intro)intro.style.display='block'; return; } dash.style.display='block'; if(intro)intro.style.display='none'; const tp = todayPlan(); const dayNum = tp ? tp.day : plan.days; document.getElementById('todayDay').textContent = dayNum; const mods = tp ? curriculum.filter(m=>tp.modules.includes(m.id)) : []; document.getElementById('todayDesc').textContent = mods.length ? '今天专注：' + mods.map(m=>m.icon+' '+m.name).join('、') + `（约 ${tp.count} 个知识点）` : '今天复习一下学过的内容吧！'; const ul = document.getElementById('todayList'); ul.innerHTML = mods.map(m=>`

${m.icon} ${m.name} — 点开练习几遍

`).join(''); document.getElementById('startToday').onclick = ()=>{ const first = mods[0]; if(first) switchTab(tabOrder.indexOf(first.tab)); else switchTab(tabOrder.indexOf('p7')); }; // 统计 const done = Object.keys(progress).filter(k=>progress[k]).length; const elapsed = daysSince(plan.startDate)+1; const left = Math.max(0, plan.days - elapsed); document.getElementById('statDone').textContent = done; document.getElementById('statDays').textContent = Math.min(elapsed, plan.days); document.getElementById('statStreak').textContent = Math.min(elapsed, plan.days); document.getElementById('statLeft').textContent = left; const pct = plan.total ? Math.min(100, Math.round(done/plan.total*100)) : 0; document.getElementById('planFill').style.width = pct+'%'; document.getElementById('planPctText').textContent = `${done}/${plan.total} 知识点 · ${pct}%`; // 每周概览 const wk = document.getElementById('planWeeks'); const weeks = Math.ceil(plan.daily.length/7); let html=''; for(let w=0; wa.concat(d.modules),[]))).map(mid=>{ const m = curriculum.find(x=>x.id===mid); return m? m.icon+m.name : mid; }).join('、'); const isNow = (w === Math.floor((daysSince(plan.startDate))/7)); html += `

第 ${start+1}–${end} 天${isNow?' · 当前':''}：${names}

`; } wk.innerHTML = html; } document.getElementById('resetPlan').onclick = ()=>{ if(!confirm('确定要重新选择学习计划吗？（已学进度会保留）')) return; plan = null; SafeStore.del(PLAN_KEY); renderPlanGrid(); renderDashboard(); }; document.getElementById('btnPlan').onclick = ()=>{ switchTab(0); document.getElementById('planGrid').scrollIntoView({behavior:'smooth'}); }; renderPlanGrid(); renderDashboard(); updateProgress();

📋 计划进度

💡 计划怎么选？

🌞 短元音（声音短促，像小皮球）

🌙 长元音（嘴巴拉长，像小火车呜——）

💧 双元音（一个音滑向另一个音）

🫧 清辅音（声带不振动，轻快）

🥁 浊辅音（声带振动，饱满）

🔤 字母的发音

🧩 拼读小练习（一个音一个音连起来）

✨ 高频字母组合

${g.name}

${g.name}

${g.name}

${sec.title}难度 ${sec.lv}/4

🎧 例句示范

⭐ 高频词 Sight Words（${sightWords.length} 个）

${g.point}难度 ${g.lv}/4

${r.name}难度 ${r.lv}/4

${g.name}

🎵 ${song.title} 《${song.cn}》

📚 关键词汇