324 篇文章
they were the very first animals to escape the seafloor and swim.
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they were the very first animals to escape the seafloor and swim. 它们是第一种从海底逃离 并开始游泳的生物

But like the very first predators,
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But like the very first predators, 但与最早的捕食者一样

very similar to the first complex life forms.
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very similar to the first complex life forms. 与最早的复杂生物形态非常相似

and the very first fights for survival...
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and the very first fights for survival... 以及我们这个非凡的星球上

And even the moment when animals first came out of the water.
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And even the moment when animals first came out of the water. 甚至再到动物第一次离开水的那一刻

...to the ancestors of the birds first taking to the air...
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...to the ancestors of the birds first taking to the air... 到鸟类的祖先率先上天…

Who will be the first to back down?
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Who will be the first to back down? 谁会率先退却?

The first rule of life, that the best adapted will win through...
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The first rule of life, that the best adapted will win through... 生命的第一条法则适者生存

The first rule
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The first rule 第一条法则是

For the first time in history, there was a global power.
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For the first time in history, there was a global power. 历史上首次出现了一个全球性霸权