详细解释:n. 底缘, 底边
英语解释：
名词 hemline:
the line formed by the lower edge of a skirt or coat详细解释：
hem.line
n.（名词）The bottom edge of a skirt, dress, or coat.衣服的底边沿：裙子、外衣或者大衣的底边沿The height of the edge of such a garment, measured from the floor.底边离地高度：这种服装从地面量起的底边离地的高度