522 篇文章
And for the first time since the Permian extinction...
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And for the first time since the Permian extinction... 自从二叠纪灭绝以来

Pterosaurs and plesiosaurs would both go extinct in time.
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Pterosaurs and plesiosaurs would both go extinct in time. 翼龙和蛇颈龙终将灭绝

But by the time they'd conquered the seas, the ocean was home to deadly predators.
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But by the time they'd conquered the seas, the ocean was home to deadly predators. 但当它们征服大海时 海洋已经成为致命捕食者的家园

Nearly three meters long, it's the biggest predator of its time.
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Nearly three meters long, it's the biggest predator of its time. 长近三米 是当时最大的捕食者

one hop at a time.
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one hop at a time. 一次跳一步

Time to take a different approach.
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Time to take a different approach. 是时候换一种方法了

...released by plants during one of the most amazing events of all time...
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...released by plants during one of the most amazing events of all time... 在史上最伟大的一个事件期间 由植物释放而出

the sharks play for time...
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the sharks play for time... 在等待时机

Once upon a time, this defense would have worked.
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Once upon a time, this defense would have worked. 在过去 这种防御会有效果

Instead, he bides his time
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Instead, he bides his time 相反 它等待时机