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4391 篇文章
a way of life that saved it
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a way of life that saved it 其他动物死去的时候

saved way life it of that a
...an ancient ancestor of the mammal.
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...an ancient ancestor of the mammal. 哺乳动物的古代祖先

mammal ancestor ancient an of the
But not every survivor of the Permian extinction
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But not every survivor of the Permian extinction 但是二叠纪灭绝的幸存者

permian survivor extinction every not of the but
Hundreds of millions of years of evolution,
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Hundreds of millions of years of evolution, 数亿年的进化

evolution hundreds millions of years
half the size of the United States...
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half the size of the United States... 有半个美国那么大

states united size of the half
and the rivers of fire are gradually subsiding.
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and the rivers of fire are gradually subsiding. 熔岩河逐渐平息

fire gradually rivers subsiding of the are and
The start of the Triassic Period...
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The start of the Triassic Period... 三叠纪开始

triassic period start of the
But this is the story of the few...
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But this is the story of the few... 但是本集将讲述少数…

story few is of the this but
The future of all life
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The future of all life 一切生命的未来

future life of all the
All that remained of a bygone age.
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All that remained of a bygone age. 它们是一个过去时代的仅存硕果

bygone remained age of all that a