跟读练习: Climate Change: How does it really work? | ClimateScience #1 - 通过视频学习英语口语
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Climate change, or global warming, is something we hear about all the time.
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But what exactly is warming our planet?
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And how will it impact our Earth and the life that calls it home?
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Earth has a layer of gases around it which we call our atmosphere.
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This atmosphere acts like a barrier of sorts.
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It protects us from harmful radiation coming from the sun.
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The atmosphere also helps keep the earth warm enough to support life.
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This happens because some of the gases in our atmosphere, like carbon dioxide and methane, are able to trap heat from the sun.
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These are called greenhouse gases.
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A greenhouse works by trapping the light from the sun inside of a glass cage.
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This can provide warm temperatures for the plants inside during the cold winter months.
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Carbon dioxide and methane are called greenhouse gases
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because they too are able to trap the sun's heat and make the Earth warm, just like a greenhouse would.
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Without any greenhouse gases, our Earth would be cold and deserted just like Mars.
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But too much of it could make our planet hot and lifeless, like Venus.
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We need just the right amount to have a climate like ours on Earth.
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As a matter of fact, CO2, the greenhouse gas responsible for about 80 % of global temperature rise,
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only makes up around 0 .03 % of our atmosphere.
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So even small changes can have big consequences.
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Unfortunately, many of our factories, cars, power plants, and the way we make our food emit plenty of greenhouse gases
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when they burn fossil fuels like coal and oil.
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This adds more CO2 to the atmosphere, thereby making our planet hotter.
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This is really, really important, because recently, the Earth has been warming fast.
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You may say that the Earth has warmed up before, and you would be correct.
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We actually used to be in an ice age not too long ago.
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The difference this time, however, is the rate at which the Earth is warming.
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The planet is warming much, much faster than what it's used to.
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Global air temperatures have gone up by about 1 degree since the Industrial Revolution.
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Two -thirds of this rise in temperature has happened since 1975.
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5. In the past, it's taken the planet about 5 ,000 years to warm 5 degrees.
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We're actually expected to go 20 times faster than that this century.
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Animals and plants that would usually have a chance to evolve adaptations
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or migrate to deal with the changing climate over thousands of years now have almost no time and therefore face extinction.
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As well as this, rising temperatures result in higher sea levels as hotter water expands and melting ice flows into the seas.
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A warmer climate will also lead to more extreme weather events such as intense hurricanes and longer droughts.
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Climate change is a global problem that will need everyone's help to fix.
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We'll be creating more videos like this that talk about solutions to climate change, so consider subscribing if you want to know more about what we can do to make human life on Earth sustainable.
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你能学到什么
这段视频不仅能帮你了解气候变化，还能提升英语听说能力。通过影子跟读（英语影子跟读），你可以练习如何清晰表达复杂概念，比如“温室气体”“海平面上升”等，这对雅思口语练习很有帮助。同时，你还能学会用自然的语气讲述科学知识，让表达更有说服力。
注意这些发音现象
视频中存在不少连读和弱读现象，比如“greenhouse gases”会连读成“greenhousegases”，“trapping heat”中的“t”会弱读。还有“it’s taken”会缩读成“it’s taken”，这些都是 native speaker 常用的表达习惯。留意这些细节，能让你的发音更地道（提高英语发音）。
像母语者一样表达
模仿视频中的节奏和重音很关键。比如“Unfortunately, many of our factories...”中，“Unfortunately”和“factories”要重读，突出问题的严重性。而“just the right amount”中的“just”要轻读，体现语气的缓和。通过 shadow speak 练习，你能逐渐掌握这种抑扬顿挫的感觉，让口语更流畅自然。记得多重复练习，把这些技巧融入日常表达中。
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。