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
life as we know it was impossible. 我们所知的生命不可能存在
Life today is the 1% that made it through. 如今的生命只是那幸存下来的1%
It was the world's fifth mass extinction. 这是世界上第五次大规模灭绝
It blew a hole 20 kilometers deep and 180 wide... 在地球上造成了一个20公里深 180公里宽的巨大坑洞
A feat it first achieved in the oceans. 这一壮举首先在海洋中实现
But what it produced was a tiny single living cell. 但它产生了一个微小的单细胞生命体