122 篇文章
Within a few million years,
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Within a few million years, 在几百万年内

Over 66 million years,
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Over 66 million years, 在6600万年中

just as they were 15 million years ago.
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just as they were 15 million years ago. 与1500万年前别无二致

Fifteen million years ago, these giant marine cities
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Fifteen million years ago, these giant marine cities 1500万年前 这些巨大的海洋城市

And in early South America, 46 million years after the asteroid,
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And in early South America, 46 million years after the asteroid, 在早期的南美 小行星撞击的4600万年后

In the tropics, it took six million years,
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In the tropics, it took six million years, 在热带地区 经过六百万年

But just five million years after the asteroid,
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But just five million years after the asteroid, 但是在小行星撞击之后仅500万年

just a few million years after the impact,
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just a few million years after the impact, 在撞击发生后仅几百万年

Sixty-six million years ago,
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Sixty-six million years ago, 6600万年前

they have ruled planet Earth for a staggering 150 million years.
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they have ruled planet Earth for a staggering 150 million years. 它们已统治地球长达1.5亿年