跟读练习: Why is sleep important? | But Why Bites - 通过视频学习英语口语
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All animals sleep and humans sleep a lot.
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By the time you turn 18 you will have spent about 40 % of your life asleep.
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But we don't always want to go to bed.
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Why is sleep so important?
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Why is sleep important?
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Sleep is really important for our bodies and brains to function at peak condition.
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You may think your body just shuts down when you close your eyes, but nothing could be further from the truth.
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Your body temperature drops while you're asleep, and you don't require as much energy as you do while you're awake, but that period of rest is
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when your immune system gets a chance to fight off the bad germs you might have encountered at school
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or out in the world.
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So sleep helps keep you healthy, and it keeps you mentally fit too.
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Sleep helps you remember what you've learned.
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You take in information while you're awake, but it sets in your brain while you're sleeping.
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So if you're studying for a vocabulary or math test,
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one of the best things you can do is get a good night's sleep before you take that test.
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It will also help you remember that funny joke your friend told you that you just can't wait to tell someone else.
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When you're a little kid, the areas around language and vision in your brain are really active while you're sleeping.
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As you get older, the parts of your brain that start learning all the different things like math and reading,
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those parts get a workout at night.
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And teenagers' brains are working on strengthening the parts involved in decision -making and moods.
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And here's something else.
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Growth hormone is released while you're sleeping, so you literally grow in your sleep.
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I knew I felt taller this morning.
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To find out more about But Why and listen to our full episodes, go to butwhykids .org.
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本课的词汇与口语要点
这节口语课以视频“Why is sleep important?”为素材。 视频中反复出现的词有：sleep, brain, sleeping, parts。 这段视频共有 24 个句子、316 个单词可供跟读。 讲话部分时长为 1:52。 说话人语速自然，每分钟约 169 个词，接近日常对话。 90% 的单词属于英语最常用的 3,000 词，词汇容易理解。
视频中的重点词汇
视频中 12 个值得学习的单词，附发音和释义：
| 单词 | 发音 | 释义 |
|---|---|---|
| asleep 形容词 | /əˈsliːp/ | 睡著的, 睡着的 |
| mathematics 名词 | /mæθ(.ə)ˈmæt.ɪks/ | 數學 /数学, 算學 /算学 |
| awake 动词 | /əˈweɪk/ | 醒, 醒來 /醒来 |
| mood 名词 | /muːd/ | 心情, 情緒 /情绪 |
| encounter 动词 | /ɪnˈkaʊntɚ/ | 遇到, 遇見 /遇见 |
| mentally 副词 | /ˈmɛntəli/ | 心理上, 精神上 |
| teenager 名词 | /ˈtiːnˌeɪ̯d͡ʒə/ | 少年, 青少年 |
| strengthen 动词 | /ˈstɹɛŋ(k)θən/ | 加強 /加强 |
| workout 名词 | /ˈwɝk.aʊ̯t/ | 鍛煉 /锻炼 or 鍛鍊 /锻炼 |
| hormone 名词 | /ˈhoɹmoʊn/ | 激素, 荷爾蒙 /荷尔蒙 |
| vocabulary 名词 | /vəˈkæb.jə.lə.ɹi/ | 詞匯 /词汇, 語匯 /语汇 |
| germ 名词 | /d͡ʒɝm/ | 胚芽 |
视频中出现的短语动词
| 单词 | 释义 |
|---|---|
| find out 动词 | 找出, 查明 |
视频中的语法
说话人最常用的结构，并附上视频中的原话：
| 结构 | 视频中的用法 |
|---|---|
| 用 “might / may” 表可能 might/may + 动词 — 有可能但不确定的事 | may think · might have |
| 现在进行时 am/is/are + -ing — 此刻或近期正在发生的事 | you're sleeping · you're studying · are working |
| “will” 表将来 will + 动词 — 决定、承诺或预测 | will have · will also help |
需要注意的发音
说话人用了 12 次缩略和弱读形式，例如 you're, don't, can't。请按听到的简短形式来说。
- “th” 音: mathematics /mæθ(.ə)ˈmæt.ɪks/, strengthen /ˈstɹɛŋ(k)θən/
- 长单词——注意重音位置: mathematics /mæθ(.ə)ˈmæt.ɪks/, vocabulary /vəˈkæb.jə.lə.ɹi/
中文母语者容易读错的音：
- 词尾辅音 — 要读清楚，后面不要加元音: asleep /əˈsliːp/, mathematics /mæθ(.ə)ˈmæt.ɪks/, awake /əˈweɪk/, mood /muːd/, workout /ˈwɝk.aʊ̯t/
- /æ/ — 嘴张大，不要读成 /e/: mathematics /mæθ(.ə)ˈmæt.ɪks/, vocabulary /vəˈkæb.jə.lə.ɹi/
如何用这段视频练习
- 先完整听一遍视频，不要开口，记下不认识的单词。
- 先用 0.75 倍速逐句跟读，熟练之后再回到正常速度。
- 录下自己的声音并与原声对比，特别注意 asleep, mathematics, awake 这类单词。
什么是跟读法？
跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。