跟读练习: Earthquakes 101 | National Geographic - 通过YouTube学习英语口语
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From above, the planet appears eerily still.
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From above, the planet appears eerily still.
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But every mountain range and every chasm on its face is a scar,
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with many telling a story of when the Earth rumbled to life.
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Earthquakes occur around the world.
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They've been recorded on all seven continents,
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but most quakes take place in just three regions.
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The Mid-Atlantic Ridge, an underwater line that runs down the Atlantic Ocean,
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the Alpine Belt, which stretches from the Mediterranean to Southeast Asia,
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and the Circumpacific Belt, which traces along the edges of the Pacific Ocean and is where about 80% of all earthquakes occur.
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These areas experience the most earthquakes due to what lies beneath the surface.
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Earthquakes are the result of pressure,
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specifically pressure caused by extreme stress in the Earth's crust.
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That stress can be caused by volcanic activity or even man-made activities in certain areas.
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However, most earthquake-inducing stress is caused by the movement of tectonic plates.
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Tectonic plates are constantly moving,
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either against, away, along, or underneath each other.
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But sometimes, their edges may catch and stick.
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The plates, however, continue to move,
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or at least attempt to.
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Energy from this attempted movement builds around the edge's sticking point,
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creating immense pressure until the edges are forced to let go and the plates slip.
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This causes a sudden and powerful release of energy,
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so powerful that it breaks the Earth's crust.
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This fracturing emits shockwaves through the ground and causes intense vibrations or quakes.
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In fact, the world's most earthquake-prone regions are where the most geologically active plates meet.
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Earthquakes, or any seismic activity, are recorded by seismographs.
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When the ground shakes, seismographs oscillate,
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drawing a jagged line to reflect this movement.
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The more extreme the earthquake,
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the greater the height of the jagged line.
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These recorded motions are then used to measure the earthquake's strength, or magnitude.
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While several scales of magnitude exist,
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the one seismologists prefer is the moment magnitude scale.
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It has no upper limit,
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and it measures earthquakes logarithmically.
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This means that each magnitude on its scale is 10 times greater than the one before it.
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Unlike the now rarely used Richter scale,
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the Moment Magnitude Scale can be applied globally and can measure quakes of the highest magnitudes.
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The largest recorded earthquake occurred near Valdivia, Chile in 1960.
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Nestled within the circum-Pacific belt,
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the Valdivia earthquake was the most powerful in a series of quakes that struck the region,
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measuring at a magnitude of about 9.5.
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In addition to causing devastating tremors on land,
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the earthquake also generated a deadly tsunami reaching up to 80 feet high.
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The tsunami raced across the Pacific Ocean,
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hitting faraway countries like the Philippines and Japan.
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In fact, data from seismographs show that the shockwaves emitted by the Valdivia earthquake continued to shake the entire planet for days.
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Some earthquake-prone areas have adapted various ways to protect their communities.
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and bridges are designed to sway rather than break when an earthquake occurs.
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The public is educated on how to protect themselves during a seismic event,
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and government officials enact drills to ensure the protection of their people.
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Earthquakes can leave behind incredible devastation.
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But these same forces have also created magnificent features,
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with each adding character to a planet so unique.
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在这段视频中，讲述者介绍了地震的基本知识。地震是自然界中的一种现象，发生在全球各种不同的地区。通过该视频，观众可以了解地震的成因、影响以及应对措施。这些知识对于学习英语的学生来说，不仅提高了他们的听力理解能力，还增强了他们的词汇量，尤其是与自然现象相关的词汇。
日常交流的五个短语
- Earthquakes occur around the world.（地震发生在全球各地。）
- Most quakes take place in just three regions.（大多数地震仅发生在三个地区。）
- Energy from this attempted movement builds up around the edge's sticking point.（这一尝试性运动所释放的能量在边缘的粘连点上积聚。）
- Seismographs record these motions.（地震仪记录这些运动。）
- Public education on earthquakes is crucial for safety.（公众教育关于地震的知识对于安全至关重要。）
逐步影子跟读指南
要顺利练习本视频的影子跟读，您可以按照以下步骤进行：
- 观看视频并初步理解：第一次观看时，关注内容的逻辑结构，不必太在意细节。
- 分段收听：将视频分成小部分，逐段收听。每听完一段，尝试复述您所听到的内容。
- 模仿发音和语调：在进行影子跟读时，尽可能地模仿讲述者的发音、语调和节奏。这不只是学习词汇，更是提高口音和流利度的好方法。
- 不断重复：反复练习，直到您能够流畅地复述每段内容。使用在线的英语口语练习资源，可以帮助您在影子跟读时获得反馈。
- 参与讨论：寻找与视频内容相关的主题，和他人进行讨论，进一步巩固您对这些词汇和短语的理解，进而提升雅思口语练习的能力。
通过以上步骤，您将能够有效提高英语口语能力，提升您的shadow speech技巧，使自己在实时沟通中更加自信。
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。