12 篇文章
but still exists today.
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but still exists today. 但如今依然存在

...has produced the huge diversity that exists today.
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...has produced the huge diversity that exists today. 产生了现存的巨大的生物多样性

As long as the earth exists, the sun's energy will be inexhaustible.
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As long as the earth exists, the sun's energy will be inexhaustible. 只要地球存在 太阳能就是取之不竭的

And exists only through the existence of another being.
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And exists only through the existence of another being. 只能通过其他事物的存在而存在

..where life exists on a knife edge...
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..where life exists on a knife edge... 生命如履薄冰

But it exists at the very limits of survival.
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But it exists at the very limits of survival. 这里的生命时时刻刻处于危机之中

Earth is the only planet we know of where life exists.
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Earth is the only planet we know of where life exists. 地球是人类已知的唯一存在生命的星球

Home to the biggest animal that exists
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Home to the biggest animal that exists 是现存的最大动物

So, beyond the farthest reach of the Sun's power a rich independent community exists,
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So, beyond the farthest reach of the Sun's power a rich independent community exists, 即使在没有太阳的能量驱动, 也会诞生丰富的共生动物群

What little food exists is so dispersed
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What little food exists is so dispersed 仅有的少量食物也非常分散