copulates

v.

性交，交配，交尾( copulate的第三人称单数 )；

1. Mary did not want to copulate with her boyfriend before marriage
   玛丽不愿在结婚前与她的男朋友发生性关系。
2. Some animals perform elaborate mating rituals before they copulate.
   有些动物在交配前要进行复杂的交欢仪式。
3. The male bird performs a sort of mating dance before copulating with the female.
   这种雄鸟在与雌鸟交尾以前要跳一种交欢舞。

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Male House Sparrow Passer domesticus copulates success- fully despite broken leg
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