Drop-Knee :An exaggerated back-step where one knee is dropped toward the ground while the other is pointing up, resulting in a stable stemming position of the legs, especially on overhanging rock.

一只脚的膝盖朝下，另一只的朝上，使得双脚支撑得较好，尤其在悬岩的地方。

youdao

The thermal mass of the overhanging rock creates a natural thermal modulation between summer and winter.

FORBES: China Braces for Escalating Power Shortages

We know this not only by the strange, shiny grey appearance of the sandstone - caused by centuries of polishing by human skin - but also by the fluent lines of Aboriginal art on the overhanging rock face beside me.

BBC: Australia��s Top End