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。

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.

youdao

象征：黄色，四面yantra由四个红色的花瓣代表四个方向地球。

Symbol: Yellow Yantra Square, surrounded by Four Red Petals represents the Four Directions of Earth.

youdao

象征：黄色，四面yantra由四个红色的花瓣代表四个方向地球。

Symbol: Yellow Yantra Square, surrounded by Four Red Petals represents the Four Directions of Earth.

youdao