My hands grabbed the edge of the pool . our lives had been saved 我的手终于抓住了游泳池的边缘，我们两个都获救了！
2.
The area along the edge of the pool in which water overflows during a race and is recirculated through the filtration system 位于游泳池边缘的地方，在比赛时允许水越过去。并且通过过滤系统再流回来。
