sexual intercourse

英 [ˌsekʃuəl ˈɪntəkɔːs] 美 [ˌsekʃuəl ˈɪntərkɔːrs]

n.  性交; 交媾

Collins.1



牛津词典

noun

  1. 性交;交媾
    the physical activity of sex, usually describing the act of a man putting his penis inside a woman's vagina

    柯林斯词典

    1. 性交;性行为;性关系
      Sexual intercourse is the physical act of sex between two people.

      英英释义