360 篇文章
In the last 50 years alone,
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In the last 50 years alone, 光是在过去的50年中

has not been felt for 66 million years.
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has not been felt for 66 million years. 已经是6600万年前的事了

is heating our planet faster than at any time in the last 500 million years.
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is heating our planet faster than at any time in the last 500 million years. 正在以五亿年来从未有过的速度 令地球升温

an unbroken line of ancestry stretching back four billion years
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an unbroken line of ancestry stretching back four billion years 一条绵延40亿年的连续谱系

stable sanctuaries for life for over 50 million years,
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stable sanctuaries for life for over 50 million years, 为生命提供稳定的庇护所 超过5000万年

left Africa millions of years earlier
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left Africa millions of years earlier 在数百万年前离开非洲

...and, over thousands of years,
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...and, over thousands of years, 经过数千年

Two and a half million years ago,
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Two and a half million years ago, 250万年前

and have been hunting bison in America for more than 100,000 years.
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and have been hunting bison in America for more than 100,000 years. 其在美洲捕杀野牛的历史 已经超过10万年

So when the Ice Age hit two and a half million years ago,
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So when the Ice Age hit two and a half million years ago, 所以 2500万年前 当冰河时代突然袭来之时