was

1160 篇文章
At its peak, almost half the world was covered in ice,
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At its peak, almost half the world was covered in ice, 巅峰时期 世界上将近一半区域被冰覆盖

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

The fatal freeze was caused by a 60% drop in carbon dioxide.
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The fatal freeze was caused by a 60% drop in carbon dioxide. 致命的冰冻 是由二氧化碳减少60%所导致

this was a catastrophe.
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this was a catastrophe. 大难临头

...a development that was to have dire consequences.
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...a development that was to have dire consequences. 这将带来可怕的后果

The arrival of predation was a seismic shift in the ancient seas.
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The arrival of predation was a seismic shift in the ancient seas. 捕食者的出现 是古代海洋中的一次颠覆性转变

it's still possible to get a glimpse of what that next wave of life was like.
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it's still possible to get a glimpse of what that next wave of life was like. 我们依然可以一窥 之后一波生命浪潮的模样

life as we know it was impossible.
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life as we know it was impossible. 我们所知的生命不可能存在

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

Nearly 90% of its surface was water,
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Nearly 90% of its surface was water, 当时的地表将近90%由水覆盖