water emptying

例句：

1. 1. Theriver is emptying its water into thesea.
   这条河正在将水排入大海。
2. 2. The factory needs to empty its tanks before it can start production again.
   工厂需要排空其储罐才能重新开始生产。
3. 3.The car was emptying when I arrivedat the station.
   当我到达车站时，汽车正在排空。