178 篇文章
...the greening of planet Earth.
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...the greening of planet Earth. 这个事件就是地球的绿化

Dunkleosteus was one of many to be lost from our planet.
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Dunkleosteus was one of many to be lost from our planet. 邓氏鱼 是从我们星球上消失的众多生物之一

the planet was plunged into an ice age.
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the planet was plunged into an ice age. 地球突然陷入冰河期

plankton produced so much oxygen that it transformed our planet.
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plankton produced so much oxygen that it transformed our planet. 浮游生物产生了大量氧气 使我们的星球发生了巨大改变

yet this was no blue planet.
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yet this was no blue planet. 但当时的地球并非蓝色

...and was about to change our planet forever.
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...and was about to change our planet forever. 而且即将永远改变我们的星球

on our extraordinary planet.
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on our extraordinary planet. 为生存而展开的第一次斗争

And a rapidly changing planet causes chaos.
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And a rapidly changing planet causes chaos. 快速变化的星球引发混乱

But the birds didn't have the planet to themselves.
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But the birds didn't have the planet to themselves. 但鸟类并未独占地球

smashed into the planet.
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smashed into the planet. 撞击地球