hemline
noun [ C ] uk/ˈhem.laɪn/ us/ˈhem.laɪn/
裙长;（裙子的）下摆
the length of a skirt or dress, or the lower edge of a skirt or dress
In the 1960s hemlines suddenly shot up with the introduction of the miniskirt. 20世纪60年代，由于迷你裙的出现，裙子的下摆骤然上移。