跟读练习: Unit 9.The blue sky - 通过视频学习英语口语
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Unit 9.
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The Blue Sky Joe asked me something about science just now, but I didn't know the answer.
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I'm good at science.
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Ask me.
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Okay.
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Why is the sky blue?
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I'll explain it in a simple way.
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Light comes through the air from the sun in waves.
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The light is in many colors, right?
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Right.
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Blue light waves are smaller than air molecules.
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They sometimes get absorbed by these molecules.
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OK.
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What happens then?
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Then the blue light waves scatter in many directions.
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Your eyes see this blue light from above you after it leaves the air molecules.
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So that is what makes the sky blue.
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What happens to the other colors?
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They reflect off the things that they hit.
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Your shirt is red because our eyes, because our eyes see the red light reflected from it.
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Now I understand why the sky is blue.
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✨ 推荐视频
本课的词汇与口语要点
这段视频共有 21 个句子、145 个单词可供跟读。 讲话部分时长为 1:08。 说话人语速平稳,每分钟约 128 个词,很适合跟读。 87% 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 11 个不太常见的单词,附发音和释义:
- molecule /ˈmɑ.lɪ.kjul/ (名词) — 分子. The smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by…
- reflect /ɹɪˈflɛkt/ (动词) — 反映, 反射. To bend back (light, etc.) from a surface.
- leaf /lif/ (名词) — еезы, еер. The usually green and flat organ that represents the most prominent feature of most vegetative plants.
- absorb /æbˈsɔɹb/ (动词) — 吸收. To include so that it no longer has separate existence; to overwhelm; to cause to disappear as if by swallowing up; to incorporate; to assimilate; to take in…
- scatter /ˈskætɚ/ (动词) — 散佈 /散布. To (cause to) separate and go in different directions; to disperse.
- wave /weɪv/ (动词) — 招手, 揮手 /挥手. To move back and forth repeatedly and somewhat loosely.
- shirt /ʃɜɹt/ (名词) — 襯衫 /衬衫, 襯衣 /衬衣. An article of clothing that is worn on the upper part of the body, often with sleeves that cover some or all of the arms.
- color /ˈkʌl.ə/ (名词) — янсый, 色. The spectral composition of visible light.
- unit /ˈjuː.nɪt/ (名词) — 單位 /单位. Oneness, singularity, seen as a component of a whole number; a magnitude of one.
- direction /dɪˈɹɛk.ʃən/ (名词) — 方向. A theoretical line (physically or mentally) followed from a point of origin or towards a destination. May be relative (e.g. up, left, outbound, dorsal)…
- explain /ɪkˈspleɪn/ (动词) — 解釋 /解释, 說明 /说明. To make plain, manifest, or intelligible; to clear of obscurity; to illustrate the meaning of.
需要注意的发音
说话人用了 3 次缩略和弱读形式,例如 didn't, I'll, I'm。请按听到的简短形式来说。
- “sh” 和 “zh” 音: shirt /ʃɜɹt/, direction /dɪˈɹɛk.ʃən/
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。
- 用正常速度逐句跟读,每句重复到你的节奏与说话人一致为止。
- 录下自己的声音并与原声对比,特别注意 molecule, reflect, leaf 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。






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