years

360 篇文章
Over 66 million years,
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Over 66 million years, 在6600万年中

million over years
Over tens of millions of years, its ancestors repurposed their wings,
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Over tens of millions of years, its ancestors repurposed their wings, 经过数千万年 它们的祖先改变了翅膀的用途

repurposed ancestors tens wings millions their of its over years
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

million just they as were ago years
Millions of years ago,
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Millions of years ago, 数百万年前

millions of ago years
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

cities fifteen marine giant million these ago years
Australia had been heading north for millions of years.
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Australia had been heading north for millions of years. 澳大利亚已经向北漂移了数百万年

australia had heading millions been north for of years
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

asteroid early america million south after in the and years
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

took tropics million it in the six years
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

asteroid million just five after the but years
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

impact million few just after the years a