watch的单三形式: watches
Police kept a close watch on the vagrants .警察严密监视那些流浪者。
My watch has stopped -- it needs fixing .我的表停了需要修理了。
We stood at the window and watched the snow .我们站在窗口欣赏雪景。
The path is very slippery， so watch your step .路很滑，当心别摔跤。
They were watching the artist at work .他们看着那个艺术家忙个不停。
