絶壁的英文：
a precipice; a crag; an escarpment

precipice是什么意思：
n. 悬崖；险境

It's a giddy precipice.
这是一座令人眩晕的悬崖。

He is standing on the edge of a precipice.
他濒临危机。

She threw herself from the precipice.
她从岩上跳了下去。

crag是什么意思：
n. 峭壁,危岩

afar off he saw the wild goats bounding from crag to crag
远处，他看到野山羊在险岩上跳来跳去。

They surmount one crag after another.
他们登上一块又一块的岩石。

On this crag are many love pea trees (Abrus precatorius)
岩上多红豆。

escarpment是什么意思：
n. 悬崖,断崖,绝壁