ledge

1. N-COUNT A ledge is a piece of rock on the side of a cliff or mountain, which is in the shape of a narrow shelf. 岩脊

...like a wounded bird seeking refuge on a mountain ledge. …就像一只受伤的鸟在山的岩脊上寻找藏身处一样。

2. N-COUNT A ledge is a narrow shelf along the bottom edge of a window. 窗台

Dorothy had climbed onto the ledge outside his window. 多萝西已经爬到了他窗台外面。