柯林斯詞典sexual intercourse 1. N-UNCOUNT Sexual intercourse is the physical act of sex between two people. 性交[正式] I have never had sexual intercourse with her and that is the truth. 我從未與她發(fā)生過性關(guān)系，而這是事實。 返回 sexual intercourse劍橋詞典the act of having sex 性交 He denied that sexual intercourse had taken place . 他否認發(fā)生了性交行為。 返回 sexual intercourse