跟读练习: ngày 1 tháng 8, 2026 - 通过视频学习英语口语
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Exercise 3.
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Page 22.
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Mistakes that worked.
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Have you ever made a mistake that actually turned out to be something good?
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Believe it or not, a lot of things we use every day were simply accidents.
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Here are two of these amazing stories.
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Alexander Fleming, the Scottish scientist, was experimenting with bacteria in 1928.
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Being a rather sloppy scientist, he used to leave his culture plates all around his lab and then forget about them.
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One day after he returned from a vacation, he noticed that there was some mold on one of the bacteria samples, which had been left by an open window.
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He took a closer look and saw that there was something around the mold.
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This made him realize that the mold was able to destroy the harmful bacteria.
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That's how he discovered penicillin.
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Since then, his discovery has helped millions of people around the world recover from infections.
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Percy LeBaron Spencer, a self-taught engineer, was visiting a lab in 1946.
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As he stood in front of a magnetron, a power tube that drives a radar set,
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he noticed the chocolate bar in his pocket had started to melt.
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Spencer got curious.
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He sent a boy out for some popcorn kernels.
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When he held them near the magnetron, the popcorn exploded all over the lab.
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The next morning he brought in a kettle, cut a hole in the side, and put an egg into the pot.
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He then moved the magnetron against the hole and the egg burst.
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Spencer realized that we can use microwave radio signals to cook with, and he developed the microwave in 1947.
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本课的词汇与口语要点
这节 B1 级别的口语课以视频“ngày 1 tháng 8, 2026”为素材。 视频中反复出现的词有：magnetron, mold, Spencer, bacteria, lab。 这段视频共有 22 个句子、266 个单词可供跟读。 讲话部分时长为 2:14。 说话人语速平稳，每分钟约 119 个词，很适合跟读。 只有 76% 的单词属于英语最常用的 3,000 词，词汇难度较高。
视频中的重点词汇
视频中最难的 15 个单词，附发音和释义：
| 单词 | 发音 | 释义 |
|---|---|---|
| bacterium 名词 | /bækˈtɪəɹ.ɪəm/ | 細菌 /细菌 |
| mold 名词 | /moʊld/ | 霉菌, 霉 |
| popcorn 名词 | /ˈpɑp.kɔɹn/ | 玉米花, 爆米花 |
| microwave 名词 | /ˈmaɪkɹoʊˌweɪv/ | 微波 |
| scientist 名词 | /ˈsaɪəntəst/ | 科學家 /科学家 |
| penicillin 名词 | /ˌpɛn.ɪˈsɪl.ɪn/ | 青黴素 /青霉素, 盤尼西林 /盘尼西林 |
| kettle 名词 | /ˈkɛ.təl/ | 水壺 /水壶, 壺 /壶 |
| kernel 名词 | /ˈkɝ.nəl/ | 核心 |
| sloppy 形容词 | /ˈslɑ.pi/ | 吊兒郎當 /吊儿郎当 |
| explode 动词 | /ɪkˈsploʊd/ | 爆炸, 爆發 /爆发 |
| melt 动词 | /mɛlt/ | 融化, 熔化 |
| harmful 形容词 | /ˈhɑɹmfl̩/ | 有害, 不良 |
| burst 动词 | /bɜːst/ | 爆裂, 破裂 |
| radar 名词 | /ˈɹeɪˌdɑɹ/ | 雷達 /雷达 |
| recover 动词 | /ɹɪˈkʌvɚ/ | 追回, 收复 |
需要注意的发音
中文母语者容易读错的音：
- /v/ — 不要读成 /w/，上齿轻触下唇: microwave /ˈmaɪkɹoʊˌweɪv/, recover /ɹɪˈkʌvɚ/
- 词尾辅音 — 要读清楚，后面不要加元音: mold /moʊld/, microwave /ˈmaɪkɹoʊˌweɪv/, scientist /ˈsaɪəntəst/, explode /ɪkˈsploʊd/, melt /mɛlt/
- /æ/ — 嘴张大，不要读成 /e/: bacterium /bækˈtɪəɹ.ɪəm/, magnetron /ˈmæɡ.nətˌtɹɑn/
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 bacterium, mold, popcorn 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。