Of the millions of rocks it throws out of orbit at each visit, some hurtle Earthwards--and have several times nearly wiped out life on Earth.

它每一次访问太阳系时，都从轨道上甩出上百万个岩块，其中一些飞向地球的方向--有几次几乎摧毁地球上的生命。

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Of the millions of rocks it throws out of orbit at each visit, some hurtle Earthwards--and have several times nearly wiped out life on Earth.

它每一次访问太阳系时，都从轨道上甩出上百万个岩块，其中一些飞向地球的方向--有几次几乎摧毁地球上的生命。

youdao