defective act

• 缺陷性行为

defective act的用法和样例：

例句

1. Do you think sexual act outside marriage is wrong?
   你认为婚外性行为是不对的吗？
2. Its real, undeclared purpose was to remove all pleasure from the sexual act.
   还有那么个秘而不宜的真正目的，便是让性行为变得索然无味。