ㄠ: Athena Chu, external strokes: 2, number of strokes: 5, radical: corpse.
Basic meaning: butt, end of spine: tarsal bone (ischium). Names of external organs of domestic animals (based on buttocks, sacrum and part of coccyx, waist in front and thighs in back). Is an important part of promoting backward movement).
The extended meaning refers to the anus and the excretory organs of the human body.
Well, so is the common cloud ditch today, and so is the common cloud butt today. Original meaning: the human body is equivalent to the long tail of an ape, that is, the ass.
Zhengzitong is from corpse to nine, which is different from poetry.