17.As these endlessly bumped and collided, they fractured or split or recombined in endless random permutations, but in every encounter there was a winner, and some of the winners grew big enough to dominate the orbit around which they traveled.
随着这些微行星无休止地碰撞,它
或破裂,或分解,或在无休止而又随意的置换中重新合并,但每次碰撞都有一个赢家,有的赢家越来越大,最后主宰了它
运行的轨道。