and

4265 篇文章
changes in the Earth's orbit, ocean currents, and carbon dioxide levels
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changes in the Earth's orbit, ocean currents, and carbon dioxide levels 地球轨道、洋流 和二氧化碳水平的变化

orbit levels dioxide carbon earth's ocean currents changes in the and
Two and a half million years ago,
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Two and a half million years ago, 250万年前

million two half and ago years a
and the relief of spring.
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and the relief of spring. 和春天的到来

relief spring of the and
Their only hope is to turn and face their pursuers.
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Their only hope is to turn and face their pursuers. 它们唯一的希望是转身直面对方

pursuers hope turn face only their is to and
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

bison than america hunting more been for in have and years
and the rise of a dynasty
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and the rise of a dynasty 以及一个王朝的兴起

dynasty rise of the and a
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

hit age million ice two when the so half and ago years a
a mammal armed with more intelligence and adaptability than any before.
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a mammal armed with more intelligence and adaptability than any before. 一种哺乳动物 拥有史上最强的智力和适应性

adaptability intelligence mammal armed than more with any before and a
Two and a half million years ago,
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Two and a half million years ago, 250万年前

million two half and ago years a
Land, air, and sea.
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Land, air, and sea. 陆地 天空 海洋

land air sea and