This period, from 1 billion to 540 million years ago, is known as the "Cambrian explosion" after the riot of diverse life found in the fossil record.
10亿到5亿四千万年之间，就是在化石中发现许多生命之后的寒武纪大爆发时期。
The extreme climate arisen from "snowball Earth" may promote evolution of life and trigger the "Cambrian Explosion".
“雪球地球”的极端气候环境变化，促进了生命的演化，造成了寒武纪生物大爆发。
And then something incredible starts to happen: a tremendous expansion of life into multi-celled forms during a relatively brief period that scientists call the Cambrian Explosion.
接着，令人难以置信的事情发生了：在科学家称为寒武纪爆炸的一个相对短暂的时期内，生命极大地扩展成多细胞形式。
The sudden emergence of those complicated life forms hinted the existence of evolution events of Cambrian explosion.
这些复杂生命突然出现，暗示了寒武纪爆发式演化事件的存在。
The sudden emergence of those complicated life forms hinted the existence of evolution events of Cambrian explosion.
这些复杂生命突然出现，暗示了寒武纪爆发式演化事件的存在。
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