阴山背后 yīnshānbèihòu wild and desolate place Origin Definitions Defs Strokes Stroke Words Sentences Sents 阴山 陰山 yīnshān Yinshan Yinshan mountains, a major mountain range in Inner Mongolia that historically served as a natural barrier on the northern frontier of China背后 背後 bèihòu locative behind behind; in the rear; at the back of a person or object