Rather  than smooth rolling waves, the surface is rough and choppy, with deep troughs and frothy crests.

表面不是平滑滚动的波浪，而是粗糙且波涛汹涌，有深谷和泡沫波峰。

Against the wall there was a deep trough and in the corner a copper with a basket of clothes-pegs on top of it.

靠墙有一个深槽， 角落里有一个铜柜， 上面放着一篮子衣夹。