跟读练习: Is space trying to kill us? - Ron Shaneyfelt - 通过YouTube学习英语口语
B2
There are still lots of things about space that we may never be able to answer like, is time travel possible?
42 句
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There are still lots of things about space that we may never be able to answer like, is time travel possible?
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Or are aliens living somewhere else in the Milky Way?
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But there is one thing I believe about space.
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Space is trying to kill me.
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Space isn't out to get me personally.
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It's also trying to kill you and everybody else.
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Think about it.
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Space doesn't naturally have what we need to survive when we travel there.
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No air, it's too hot, or too cold, no ozone to protect us from those nasty UV rays either.
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This all sounds bad, but what can space really do to me if I stay on Earth?
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What we need to understand is that objects in space can cause people to think their days are numbered,
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even when there are events on Earth that can hurt or kill us before something from space does.
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So what are the odds that one of these objects will really affect Earth, and you, and me, and our lifetime?
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Well, we can take what we know about the universe to try and figure that out.
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You might have heard stories about asteroids hitting the Earth.
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That would be pretty bad.
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Scientists think asteroids might have killed off most of the dinosaurs.
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Sounds like something we should worry about, right?
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Well, astronomers can now watch asteroids in space and see them coming using complex computer models to predict the deadly rock's path.
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For a while, the reported odds that asteroid Apophis would strike Earth in 2036 were once 1 in 625.
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But after updating their data, astronomers now say the chances are extremely low.
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Okay, what about the sun?
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Hollywood movies like to pick on our sun by showing Earth destroyed by solar flares
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or the sun dying out which would cause Earth to freeze.
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Astronomers predict our sun contains enough gas to make energy for another 3 to 5 billion years.
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So, in 3 to 5 billion years, if people still exist on Earth, they'll have to deal with that.
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But today, well, we're safe.
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Sometimes the sun does shoot flares at Earth, but the magnetic field surrounding our planet blocks most of that radiation.
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The radiation that does get through creates things like the aurora borealis.
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Gigantic solar flares can mess with our satellites and electrical equipment, but the chances of it killing you are pretty slim.
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Okay, what about that supermassive black hole in the middle of our galaxy?
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What happens to Earth, and us, when it pulls us in?
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After all, it is supermassive.
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Nope, not going to happen.
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That's one big object that can't bother us.
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How can we be so sure?
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Our solar system is on the edge of the Milky Way, while the nearest supermassive black hole is about 26,000 light years from Earth.
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That means we aren't on that black hole's menu.
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So you still think space objects are trying to kill you even after what I've told you so far?
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I think I've even convinced myself that odds are really good
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that space in the objects up there won't kill me after all.
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But I'll probably keep looking up just to make sure nothing is headed my way.
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为什么要使用这个视频练习口语?
观看并模仿《宇宙是否在试图杀死我们?》这个视频,可以为学习者提供一个引人入胜的口语练习环境。通过跟随演讲者的节奏和语调,学生不仅能提升自己的口语流利度,还能增强听力理解。视频中探讨的宇宙话题,涉及科学和日常生活,能够帮助学生在不同的语境中使用英语,扩展他们的词汇量,提升他们在雅思口语练习中的表现。
语法与表达的应用
在视频中,演讲者使用了几种有趣的语法结构和表达方式,以下是一些关键结构:
- 条件句:演讲者提到“如果人们仍然存在...”这类条件句能够帮助学习者理解如何表达假设情况,适用于英语口语练习中讨论未来可能性。
- 过去时与预测:通过使用“科学家认为...”这样的句子,演讲者展示了如何结合过去的研究与未来的预测,很好地展示了信息的传递方式。
- 转折连接词:像“但是”和“所以”这类表达可以帮助学习者在口语中实现逻辑连贯,使他们的观点更加清晰,提升他们在shadow speech中的表现能力。
常见的发音陷阱
在视频中,有些单词和短语可能会对学习者造成发音上的挑战:
- “asteroid”(小行星)的发音可能会让初学者感到困难。注意结合“astero”和“id”的发音,练习流利连读。
- “radiation”(辐射)的发音需特别注意,尤其是在句子中的快速连读,学生可以多次模仿以掌握。
- “supermassive”(超大质量)的词汇组合易被忽略,建议逐字分解练习,以确保在说出复杂词汇时能有清晰的发音。
通过运用这些技巧,并持续进行shadow speak,学习者将在英语口语练习中取得显著进步,有效提高他们的表达能力和自信心。
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。
