2384 篇文章
Heat that comes from small warm-blooded mammals.
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Heat that comes from small warm-blooded mammals. 来自小型温血哺乳动物身上的热痕迹

so too did the snakes that fed on them.
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so too did the snakes that fed on them. 以之为食的蛇也兴盛起来

that might take a while.
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that might take a while. 这可能需要一段时间

...but they had evolved jaws that could chew.
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...but they had evolved jaws that could chew. 但它们已经进化出能够咀嚼的颌部

animals that were evolving just beneath their feet.
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animals that were evolving just beneath their feet. 这些动物正在它们脚下进化

And a clever one at that.
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And a clever one at that. 而且在这方面很聪明

But it wasn't just the smaller creatures that were changing
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But it wasn't just the smaller creatures that were changing 但发生巨变的

that, for the very first time in Earth's history,
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that, for the very first time in Earth's history, 以至于陆地上的物种数量超过海洋

that is still very much with us today.
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that is still very much with us today. 这种创新今天仍然存在

...in ways that would revolutionize life on Earth.
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...in ways that would revolutionize life on Earth. 这样的改变将为地球上的生物 带来革命性的变化