To be born during this, the Cambrian Explosion—why, I couldn't imagine a better period, really.

在寒武纪生物大爆发这时候降生-我实在没法设想一个更好的时代了，真的。

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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。

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