跟读练习: What If The Earth Was Flat? - 通过视频学习英语口语
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What would happen if Earth actually was flat?
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Would we fall off?
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Would we spin into the edge?
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It's even weirder than you think, because for a sphere, gravity pulls in the same direction from all points on the surface.
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But for a disc-shaped Earth, gravity depends on where you're standing.
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In the center, gravity pulls you down, but as you walk toward the edges, gravity pulls you down and sideways.
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And the consequences of that, well, all the ocean water would be pulled toward the center, trees would grow diagonally to fight against gravity,
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and it would be near impossible to reach the outer edges of the Earth
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because this sideways gravity would make it feel like climbing a never-ending mountain.
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And on top of that, our flattened Earth has no internal layers, and it's the movement of our molten liquid core that causes our magnetic field.
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So without it, we're just getting cooked by cosmic radiation.
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And depending on our orientation, there would be only day or only night.
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And lunar eclipses look like this.
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So if Earth was flat, we'd be cooking on a space pan with no escape.
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To find out how scientists know what's really inside the Earth, subscribe.
关于本课
您正在使用跟读技巧通过视频"What If The Earth Was Flat?"练习英语口语和发音。
每天练习15到30分钟，将显著提高您的英语流利度和发音准确度。
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。