跟读练习: The Atmosphere for kids - Layers of the Earth - Science for Kids - 通过YouTube学习英语口语
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Smile and learn!
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Today in our video series about the layers of the Earth, we're going to learn about the atmosphere.
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The atmosphere is the outer layer that surrounds the Earth.
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It is formed by gases that protect the planet from outer space dangers like solar flares or small objects flying in space.
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Oxygen, that is an essential element for life, is found in this layer.
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The atmosphere also helps to control the temperature of the planet.
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We would find it hard to survive without the atmosphere.
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The difference between day and night temperatures would be huge.
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Depending on how high we get, the composition of the atmosphere changes, dividing itself into five main layers.
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The troposphere, the stratosphere, the mesosphere, the thermosphere, and the exosphere.
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The troposphere is the layer closer to the surface of the Earth.
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It measures approximately 10 kilometers high.
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Clouds are found in the troposphere, and weather phenomena like wind, rain, or snow occur here as well.
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Air, that is much needed for life on the planet, is found in the troposphere.
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That's why we should make sure not to contaminate it.
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The stratosphere extends to an altitude of 10 to 50 kilometers above sea level.
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The ozone layer is part of the stratosphere, and it's very important because it protects our planet from harmful UV sunlight rays.
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The ozone layer is getting thinner and thinner as air pollution rises.
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Do you know that airplanes fly in the stratosphere to avoid turbulence?
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The mesosphere extends to an altitude of 50 to 85 kilometers above sea level.
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The mesosphere is the coldest layer of the atmosphere.
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Temperatures can drop down to 90 degrees Celsius, below zero.
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Shooting stars occur in the mesosphere.
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These are meteors that travel through space.
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As soon as they hit the mesosphere, they start burning up, leaving a tail behind them.
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The thermosphere extends to an altitude of 85 to 500 kilometers above sea level.
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This layer is the warmest of all five layers.
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Air temperature on the surface of the Earth is kept constant thanks to the thermosphere.
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In this layer, temperatures can rise to more than 2,000 degrees Celsius.
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The International Space Station orbits the Earth within the thermosphere.
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Impressive natural phenomena like the northern and southern lights occur in the thermosphere.
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The exosphere is the most distant layer from the Earth's surface.
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It extends to an altitude of approximately 500 to 10,000 kilometers above sea level.
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Air in the exosphere is very thin.
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There's nothing but hydrogen and helium there.
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This layer is our outermost limit with space and protects us from solar flares.
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Satellites orbit the earth within the exosphere.
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These are the five layers of the atmosphere.
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Very interesting, right?
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关于本课
在本节课中，学习者将通过观看关于地球大气层的视频来实践英语口语和听力。我们将探讨大气层的五个主要层次及其特征，这包括对生存重要的氧气、不同层的温度变化及其对地球的影响。通过此视频，您还将了解大气层如何保护我们免受外在危害，如太阳耀斑，同时学习多个与科学相关的专业词汇。
关键词汇与短语
- 大气层 (Atmosphere) - 地球外部的气体层，保护地球免受外在危害。
- 对流层 (Troposphere) - 最靠近地球表面的层，包含天气现象。
- 平流层 (Stratosphere) - 包含臭氧层，保护我们免受有害紫外线。
- 中间层 (Mesosphere) - 最冷的层，流星在此燃烧。
- 热层 (Thermosphere) - 最热的层，国际空间站在此轨道运行。
- 外层 (Exosphere) - 离地球最远的层，主要由氢和氦组成。
- 臭氧层 (Ozone layer) - 位于平流层，保护地球免受紫外线的伤害。
- 流星 (Shooting stars) - 在中间层燃烧的陨石。
练习建议
为了提高您的口语能力，我们建议您使用shadow speech练习技巧。您可以在观看视频时，尝试模仿讲师的语音和语调。选择慢速播放视频，有助于您更清楚地听到每个单词和句子。在模仿过程中，注意停顿的地方，以便更好地理解句子的节奏。
您可以进行shadowspeaks练习，每次专注于一个层次的内容，重复讲师的表达以及相关的科学概念。正如视频中提到的不同层次，您可以分阶段进行练习。在没有干扰的环境中，逐渐提高语速，以适应正常说话的速度。
此外，利用shadow speak的技巧，在家中与朋友进行讨论，分享您对大气层的认识。通过这种方式，增强记忆并提升口语流利度。
最后，您可以在本地shadowing site找寻其他相关资料和视频，丰富自己的学习体验。这样，您不仅能够了解科学知识，还能在内部构建更强的英语口语能力。
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。