Related topics: Biology
in·ter·course /ˈɪntəkɔːs $ ˈɪntərkɔːrs/ noun [uncountableU] formal 1. (also sexual intercourse)SEX/HAVE SEX WITH the act of having sex 性交
2 EXPRESSan exchange of ideas, feelings etc which make people or groups understand each other better 〔想法、感情等的〕交流,沟通