n.峭壁;危岩
They surmount one crag after another. 他们登上一块又一块的峭壁。
The fugitive lived in a cave in the mountain crag for several years. 这个逃犯在一个山上峭壁的岩洞里住了几年。
The prison on the crag was not so dominant as of yore. 悬崖顶上的监狱不像以前那么威风凛凛了。