跟读练习: Kinematic viscosity - 通过视频学习英语口语

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9 句
如果句子过短或过长，请点击 Edit 进行调整。
1
This is dynamic viscosity.
2
This is kinematic viscosity.
3
What's the difference?
4
Dynamic viscosity measures a fluid's resistance to shear or flow, and its SI unit is pascal second.
5
Kinematic viscosity is dynamic viscosity divided by fluid density, and its SI unit is square meter per second.
6
Dynamic viscosity tells us how strongly a fluid resists deformation, while kinematic viscosity also considers the fluid's density.
7
Easy trick.
8
Dynamic is resistance to shear.
9
Kinematic is dynamic viscosity divided by density.

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本课的词汇与口语要点

这节口语课以视频“Kinematic viscosity”为素材。 这段视频共有 9 个句子、78 个单词可供跟读。 讲话部分时长为 0:32。

视频中的重点词汇

视频中 10 个值得学习的单词，附发音和释义：

单词发音释义
density 名词/ˈdɛn.sə.ti/密度
fluid 名词/ˈflu.ɪd/流體 /流体, 液體 /液体
divide 动词/dɪˈvaɪd/分, 分裂
trick 名词/ˈtɹɪk/詭計 /诡计, 騙術 /骗术
resist 动词/ɹɪˈzɪst/抵制, 抵抗
metre 名词/ˈmiːtəɹ/米, 公尺
viscosity 名词/vɪsˈkɑsɪti/粘性, 粘度
shear 动词/ʃɪɚ/剪斷 /剪断
deformation 名词/ˌdɛfəˈmeɪʃən/變形 /变形, 形變 /形变
pascal 名词/pæˈskæl/帕斯卡

需要注意的发音

  • “sh” 和 “zh” 音: shear /ʃɪɚ/, deformation /ˌdɛfəˈmeɪʃən/
  • 长单词——注意重音位置: viscosity /vɪsˈkɑsɪti/, kinematic /kɪn.əˈmæt.ɪk/, deformation /ˌdɛfəˈmeɪʃən/

中文母语者容易读错的音：

  • /v/ — 不要读成 /w/，上齿轻触下唇: divide /dɪˈvaɪd/, viscosity /vɪsˈkɑsɪti/
  • 词尾辅音 — 要读清楚，后面不要加元音: dynamic /daɪˈnæm.ɪk/, fluid /ˈflu.ɪd/, divide /dɪˈvaɪd/, trick /ˈtɹɪk/, resist /ɹɪˈzɪst/
  • /æ/ — 嘴张大，不要读成 /e/: dynamic /daɪˈnæm.ɪk/, kinematic /kɪn.əˈmæt.ɪk/, pascal /pæˈskæl/

如何用这段视频练习

  1. 先完整听一遍视频，不要开口，记下不认识的单词。
  2. 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。
  3. 录下自己的声音并与原声对比，特别注意 density, fluid, divide 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。

影子跟读法: 阅读完整分步指南 →