跟读练习: IELTS listening practice Part 4 - the A.U.V (answer & transcript) - 通过视频学习英语口语

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Autonomous underwater vehicle, or AUV.
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It actually resembles a miniature airplane that moves deep in the ocean.
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It's not large enough to have a human crew aboard, and so its behavior is really that of a robot.
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The AUV is programmed to calculate
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and record a range of data depending on the mission it is carrying out at any one time.
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On previous missions, it has been programmed to record water pressure, as well as how much salt there is in the water.
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On a more recent mission around Bermuda, an AUV was equipped with a special instrument that showed the temperature of the ocean at different depths.
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It can also assess the quality of the water in general.
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So, as you see, it is quite a versatile and useful little piece of equipment.
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We use its measurements to determine
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and increase our understanding of ocean behaviors as well as its role in and influence on our climate.
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This instrument also has many other benefits.
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It can be launched and used relatively quickly.
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Also, there's no need for cables to physically link it to a boat.
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There are disadvantages, though.
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AUVs move at only modest speeds, up to 25 centimeters per second.
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In addition, the AUV structure cannot collect water samples, so other equipment must be used to conduct a chemical analysis of the water.
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Now, I'm sure you're all wondering how the AUV actually works.
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First, let's see how an AUV actually moves.
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L. It moves by pumping oil between two bladders.
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This helps the AUV to sink or float.
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The AUV records the data and measurements that it has been programmed to take while it rises to the surface.
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At the beginning and end of each dive, it obtains records and transmits its position by exposing an antenna embedded within the tip of the right wing.
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Okay, so that's the AU.
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Thank you.
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Thank you.
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Thank you.
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Thank you.
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本课的词汇与口语要点

这节口语课以视频“IELTS listening practice Part 4 - the A.U.V”为素材。 视频中反复出现的词有：Auv, record, programmed, ocean, mission。 这段视频共有 28 个句子、320 个单词可供跟读。 讲话部分时长为 3:51。 说话人语速较慢，每分钟约 83 个词，你有足够的时间模仿每一个音。 只有 81% 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 15 个值得学习的单词，附发音和释义：

单词发音释义
instrument 名词/ˈɪnstɹəmənt/仪器, 仪表
measurement 名词/ˈmɛʒ.ə.mənt/尺寸
obtain 动词/əbˈteɪn/獲得 /获得
collect 动词/ˈkɑlɪkt/庋藏, 收藏
pump 名词/pʌmp/泵, 唧筒
robot 名词/ˈɹoʊ.bɑt/機器人 /机器人, 機械人 /机械人
sink 动词/ˈsɪŋk/沉, 下沉
depend 动词/dɪˈpɛnd/信任, 信賴 /信赖
aboard 副词/əˈbɔɹd/上車 /上车, 上船
dive 动词/daɪv/潛水 /潜水
modest 形容词/ˈmɑdəst/謙虛 /谦虚, 謙讓 /谦让
expose 动词/ɪkˈspoʊz/揭露, 暴露
float 动词/fləʊt/浮, 漂浮
airplane 名词/ˈɛɹˌpleɪ̯n/飛機 /飞机, 飛行機 /飞行机
underwater 形容词/ʌndɚˈwɔtəɹ/水下

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
被动语态 be + 过去分词 — 强调发生了什么，而不是谁做的is programmed · has been programmed · was equipped
现在完成时 have/has + 过去分词 — 过去发生但与现在仍有关联的事has been programmed

需要注意的发音

  • 长单词——注意重音位置: underwater /ʌndɚˈwɔtəɹ/, autonomous /ɔˈtɑnəməs/, miniature /ˈmɪn.(i)ə.tʃəɹ/, disadvantage /ˌdɪsədˈvæntɪd͡ʒ/

中文母语者容易读错的音：

  • /v/ — 不要读成 /w/，上齿轻触下唇: dive /daɪv/, disadvantage /ˌdɪsədˈvæntɪd͡ʒ/, versatile /ˈvɜː.səˌtaɪl/
  • 词尾辅音 — 要读清楚，后面不要加元音: instrument /ˈɪnstɹəmənt/, measurement /ˈmɛʒ.ə.mənt/, collect /ˈkɑlɪkt/, pump /pʌmp/, robot /ˈɹoʊ.bɑt/
  • /r/ 和 /l/ 的区别: airplane /ˈɛɹˌpleɪ̯n/, resemble /ɹɪˈzɛmbəl/

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 instrument, measurement, obtain 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 →