英汉词典

1. 性交;交媾
    Intercourse is the act of having sex.

    e.g. ...sexual intercourse...
           性交
    e.g. We didn't have intercourse.
           我们没有发生性关系。

2. 交际;交往;往来
    Social intercourse is communication between people as they spend time together.

    e.g. There was social intercourse between the old and the young.
           老年人与年轻人之间有社会交往。