This would take millions of years and involve large objects coming just close enough to not collide with earth.

这需要数百万年时间，并得让足够大的物体离地球够近却不能撞到地球。

youdao

This would take millions of years and involve large objects coming just close enough to not collide with earth.

这需要数百万年时间，并得让足够大的物体离地球够近却不能撞到地球。

youdao