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。收藏
The train often stopped to let really important trains bawl and hurtle by 列车常常停下，让真正重要的列车呼啸疾驰而过。收藏
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