n.山口；山坳；低地山峡
Walk pass this col, and you can find a cliff standing erect right in front of you. 转过这个山口，只见一面峭壁笔立眼前。
There are a lot of winding footpaths in the col. 山坳里尽是些曲曲弯弯的羊肠小道。
