copulate

柯林斯词典

1. V-RECIP If one animal or person copulates with another, they have sex. You can also say that two animals or people copulate. 性交[技术]
During the time she is paired to a male, the female allows no other males to copulate with her. 雌性与一雄性配对时，雌性不允许其他雄性与其交配。
Whales take twenty-four hours to copulate. 鲸用二十四小时来交配。
2. copulationN-VAR
...acts of copulation. ...交配行为。