n.裆部;叉柱
He has a dull heavy ache in the crotch. 他的胯部感到隐痛。
These jeans are too tight in the crotch. 这牛仔裤的裤裆太紧了。
The child was sitting on a crotch of a tree. 那孩子坐在树的桠杈上。