跟读练习: Unpoppable Bubbles! | Summer Experiments | SciShow Kids - 通过视频学习英语口语
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Alright, ready, Squeaks?
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I love blowing bubbles with you too, Squeaks!
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Oh hi there!
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Squeaks and I have been having fun with bubbles today.
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It’s one of our favorite things to do together, and it’s really simple!
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A soap bubble is made with just a few ingredients: water, soap, and the most important ingredient: air!
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When you blow air into soapy water, all the ingredients mix together.
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The water and soap cover the ball of air like blankets.
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And together they make a round shape that can float around in the air!
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At least, until the bubbles pop.
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Oh, good question, Squeaks.
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Why do bubbles pop?
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Well, water is really sneaky.
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As soon as you put it in a bubble, it tries to escape.
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And when the water gets away, the air trapped inside the bubble can follow it and escape too -- and then what do you think happens?
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Yes -- the rest of the bubble falls apart, and it goes pop!
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The soap holds the water inside as long as it can, but eventually, every bubble bursts.
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Oh I know - it is true.
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Soap bubbles do pop pretty quickly.
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An unpoppable bubble would be pretty fun!
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I wonder how we could make one?
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I know! Let’s try an experiment!
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I think if we make the soap thicker, maybe that will help to keep our bubbles around longer.
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There are lots of thick bubble soap recipes that we can make here at home.
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What do you think, Squeaks, should we try one out?
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We’ll need 4 Tablespoons of water and 1 Tablespoon of dish soap, just like our first bubble solution.
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Now, we’ll add our special ingredient: 2 Tablespoons of sugar.
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Oh, good question!
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The sugar should help the bubble.
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It’s going to help make the soap layers of our bubble really thick.
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I’ll stir until I can’t see the sugar anymore.
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Alright, it’s time to compare our bubbles!
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We’ll count how many seconds it takes one of our old bubbles to pop, and then see how many seconds it takes one of our new bubbles to pop.
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First, our old bubble.
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Wow! Not bad.
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That bubble lasted 30 seconds!
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Now, let’s see how the thicker bubbles do.
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Wow, that bubble lasted way longer.
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The thicker bubble lasted 90 seconds!
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That’s 60 seconds longer than the bubble without any sugar.
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Ooo - I would love to do more bubble experiments!
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There are lots of bubble recipes we could try.
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We could replace the sugar with something like corn syrup or glycerin, and if we get our hands wet, we could even try holding the bubbles.
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How long do you think you could make a bubble last?
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Can you think of any special ingredients that might help bubbles not to pop?
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Do you think there’s a way to make an unpoppable bubble?
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Ask a grown-up to help you with your own bubble experiments, and remember, if you want to keep experimenting and learning with me, Squeaks, and all of our friends, be sure to hit the subscribe button, and we’ll see you next time, here at the Fort.
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本课的词汇与口语要点
这段视频共有 47 个句子、510 个单词可供跟读。 讲话部分时长为 4:03。 说话人语速平稳，每分钟约 126 个词，很适合跟读。 79% 的单词属于英语最常用的 3,000 词，其余的词建议在练习前先学一下。
视频中的重点词汇
视频中 15 个值得学习的单词，附发音和释义：
| 单词 | 发音 | 释义 |
|---|---|---|
| bubble 名词 | /ˈbʌbəl/ | 泡, 氣泡 /气泡 |
| soap 名词 | /soʊp/ | йизы, 雪文 |
| thick 形容词 | /θɪk/ | ху, 厚 |
| ingredient 名词 | /ɪnˈɡɹiːdi.ənt/ | 成份, 材料 |
| experiment 名词 | /ɪkˈspɛɹ.ə.mənt/ | 實驗 /实验 |
| compare 动词 | /kəmˈpɛɚ/ | 比, 比較 /比较 |
| layer 名词 | /ˈleɪ̯ɚ/ | 層 /层 |
| trap 名词 | /tɹæp/ | 陷阱, 圈套 |
| dish 名词 | /dɪʃ/ | 碟子, 盤子 /盘子 |
| burst 动词 | /bɜːst/ | 爆裂, 破裂 |
| blanket 名词 | /ˈblæŋ.kɪt/ | 毯子 |
| subscribe 动词 | /səbˈskɹaɪb/ | 簽署 /签署 |
| stir 动词 | /stɝ/ | 攪拌 /搅拌, 攪 /搅 |
| float 动词 | /fləʊt/ | 浮, 漂浮 |
| syrup 名词 | /ˈsɪɹ.əp/ | 糖漿 /糖浆, 果子露 |
需要注意的发音
说话人用了 6 次缩略和弱读形式，例如 we'll, can't, I'll。请按听到的简短形式来说。
- 长单词——注意重音位置: ingredient /ɪnˈɡɹiːdi.ənt/, experiment /ɪkˈspɛɹ.ə.mənt/
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 bubble, soap, thick 这类单词。
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 “should” 提建议 should + 动词 — 表示应该做的事 | should we try · should help |
| 动词 + -ing enjoy、keep、stop… + -ing — 后接 -ing 形式的动词 | love blowing · keep experimenting |
| “will” 表将来 will + 动词 — 决定、承诺或预测 | will help · We'll need · we'll add |
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。