崖面 meaning in English

rock face
scarp face

He learned to scale a rock face from his father
他从他父亲那儿学得攀登崖面的技巧。
The causes of collapse of the caves and the cliff face structure along the northern area of mogao grottoes at dunhuang
敦煌莫高窟北区洞窟及崖面崩塌原因探讨
The technology has already been used to create detailed road models for post accident investigation and cliff face mapping for the monitoring of coastal erosion
该技术已被用来制造详细道模型后事故调查和崖面映射监测海岸侵蚀