跟读练习: 4 Subject link 6 C13 - 通过视频学习英语口语

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Chapter 4 Lesson 13 The Histo-Petroleum
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Today, plastic is used in almost everything,
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from shopping bags and bottles to chicken cu- plastic has plastic how it was first made
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parkissine
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the first man-made plastic was created by under parks introduced it
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at the 1862 great exhibition in london it was called parkissine and it was made from plant materials once heated
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it could be molded and cooled also it could be made colored or transparent
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however it was too expensive produce for common use 1866 celluloid in the bed was
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so killer that a lot of elephants were being killed for their which was used to make billiard balls.
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So John Wesley Hyatt said, a U.S billiard ball company offered a prize of $10,000 to the
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person who could design the best substitute for natural ivory in 1866 John Wesley Hyatt created celluloid
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while trying to win the prize although he failed to win celluloid was later used to make many products including false teeth,
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piano keys, and ping-pong balls.
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1909 Bakelite Leo Bakeland created Bakelite in 1909.
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Made entirely of artificial materials, it was the first true plastic.
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It was inexpensive and it kept its shape when heated.
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Soon, it was being used in many things, including electrical products and jewelry. Since then,
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many other plastics have been developed today petroleum today most plastics
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are produced from non-natural materials made from petroleum they are light flexible strong
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and cheap despite all these advantages there is one problem plastic waste breaks down slowly and toxic chemicals can leak from it.
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Therefore, people are trying to develop less harmful plastics.

关于本课

在这一课中，学习者将深入了解塑料的历史，从早期的手工材料到现代的石油基塑料。通过这段视频，您将练习如何用英语描述塑料的演变和其带来的环境影响。课程重点在于提升您的发音技巧，使您能更流利地表达上述内容。同时，您也会了解到上世纪以来塑料制造的重大突破。

关键词汇与短语

  • 塑料 (Plastic) - 今天的生活中必不可少的材料。
  • 帕基辛 (Parkesine) - 第一种人造塑料的名称。
  • 赛璐璐 (Celluloid) - 用于制作美术球等的早期塑料。
  • 酚醛塑料 (Bakelite) - 第一种完全由合成材料制成的塑料。
  • 石油 (Petroleum) - 现代塑料的主要原料。
  • 环保 (Environmental Protection) - 讨论塑料废物对环境的影响时常提到的主题。
  • 替代品 (Substitute) - 替代天然材料的选择。
  • 有毒化学物质 (Toxic Chemicals) - 塑料降解过程中可能释放的有害物质。

练习技巧

在观看和学习这段视频时，您可以运用shadowspeak的技巧。由于视频的语速相对较快，建议您采用影子跟读的方法，通过模仿视频的发音与语调来提高英语发音。以下是一些具体的练习建议：

  • 随视频逐句重复，当听到关键短语时，停下来重复，关注语调和节奏。
  • 在开始跟读之前，可以先观看几遍视频，熟悉内容与语音风格。
  • 尝试与原声的音频进行对比，找出自己的发音与标准发音的差距，进行针对性的练习。
  • 在自我录音后，回放并仔细聆听，注意与原音的异同，这样能有效帮助您改善发音。

通过这些方法，您将在提高英语发音的同时，加深对塑料化学与环保问题的理解，让您的口语表达更具深度与广度。

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。