避孕 by 李玥懋 2015临床医学(八年制) - Tuesday, 17 March 2020, 3:37 PM Number of replies: 0 阻断精子排出：输精管结扎 阻断卵子排出：输卵管结扎、避孕药 阻断精卵相遇：避孕套 Permalink
