跟读练习: What really happens to the plastic you throw away - Emma Bryce - 通过YouTube学习英语口语
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This is the story of three plastic bottles, empty and discarded.
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Their journeys are about to diverge,
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with outcomes that impact nothing less than the fate of the planet.
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But they weren't always this way.
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To understand where these bottles end up,
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we must first explore their origins.
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The heroes of our story were conceived in this oil refinery,
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The plastic in their bodies was formed by chemically bonding oil and gas molecules together to make monomers.
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In turn, these monomers were bonded into long polymer chains to make plastic,
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in the form of millions of pellets.
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Those were melted at manufacturing plants and reformed in molds to create the resilient material that makes up the triplets' bodies.
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Machines filled the bottles with sweet,
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bubbly liquid, and they were then wrapped,
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shipped, bought, opened, consumed, and unceremoniously discarded.
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And now here they lie,
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poised at the edge of the unknown.
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Bottle One, like hundreds of millions of tons of his plastic brethren,
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ends up in a landfill.
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This huge dump expands each day as more trash comes in and continues to take up space.
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The plastics sit there, being compressed amongst layers of other junk.
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Rainwater flows through the waste and absorbs the water-soluble compounds it contains,
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and some of those are highly toxic.
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Together, they create a harmful stew called leachate,
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which can move into groundwater,
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soil, and streams, poisoning ecosystems and harming wildlife.
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It can take bottle one and agonizing 1,000 years to decompose.
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Bottle 2's journey is stranger, but unfortunately no happier.
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He floats on a trickle that reaches a stream,
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a stream that flows into a river,
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and a river that reaches the ocean.
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After months lost at sea,
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he's slowly drawn into a massive vortex where trash accumulates,
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a place known as the Great Pacific Garbage Patch.
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Here, the ocean's currents have trapped millions of pieces of plastic debris.
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This is one of five plastic-filled gyres in the world's seas,
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places where the pollutants turn the water into a cloudy plastic soup.
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Some animals, like seabirds, get entangled in the mess.
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They and others mistake the brightly colored plastic bits for food.
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Plastic makes them feel full when they're not,
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so they starve to death and pass the toxins from the plastic up the food chain.
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For example, it's eaten by lanternfish,
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the lanternfish are eaten by squid,
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the squid are eaten by tuna,
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and the tuna are eaten by us.
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And most plastics don't biodegrade,
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which means they're destined to break down into smaller and smaller pieces called microplastics,
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which might rotate in the sea eternally.
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But bottle three is spared the cruel purgatories of his brothers.
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A truck brings him to a plank where he and his companions are squeezed flat and compressed into a block.
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Okay, this sounds pretty bad,
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too, but hang in there.
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It gets better.
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The blocks are shredded into tiny pieces,
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which are washed and melted,
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so they become the raw materials that can be used again.
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As if by magic, Bottle 3 is now ready to be reborn as something completely new.
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For this bit of plastic with such humble origins,
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suddenly the sky is the limit.
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为什么通过这个视频练习口语？
在学习英语的过程中，通过观看并练习相关视频是提高口语能力的有效方法。这个视频讲述了塑料瓶的旅程及其对环境的影响，内容丰富且具有教育意义。在观看这类视频时，学习者不仅能够提高英语发音，还可以了解塑料污染的社会问题，从而拓宽自己的视野。通过模仿视频中的发音和语调，学习者能够更自然地掌握英语口语，增强自信，提升自身表达能力。利用这种看YouTube学英语的方法，结合视频内容，进行shadowspeak练习，有助于在真实语境中巩固所学知识。
语法与表达在语境中的运用
在该视频中，演讲者使用了一些关键的语法结构，学习者可以借此机会进行深入分析：
- 被动语态：如“塑料在其身上被形成”，这种结构强调了动作的接受者，适合用于环保题材中，表述被动受害者的角色。
- 现在完成时：用于描述过去发生的动作对现在的影响，如“塑料污染已成为全球性问题”。这种时态在英语口语中常用，帮助学习者理清时间关系。
- 条件句：如“If we don’t recycle, we will pollute the oceans.” 条件句用于表达假设情境并予以警示，是提高口语表达的重要元素。
常见的发音陷阱
在观看此视频时，学习者可能会遇到一些发音挑战。注意以下几点，帮助提高英语发音：
- “plastic”：发音时注意音节的清晰，尤其是字母“a”的发音，可能因口音不同而有所差异。
- “ocean”：这个词的发音容易出错，尤其是如何处理“c”的音调，建议多加练习。
- “environment” ：注意每个音节的重音位置，尤其是在快速讲话时，可能会走音。
参考这些发音，进行shadowspeaks练习，能有效改善语言能力。通过重复模仿视频中的表达，不仅能增强口语能力，还能提高对复杂词汇的掌握。
什么是跟读法？
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