copulate

vi.

性交，交配，交尾；

adj.

连接的，配合的；

过去式：copulated过去分词：copulated现在分词：copulating第三人称单数：copulates

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。

Why do females copulate so frequently?
Can male decorticate rats copulate?
Why do females copulate repeatedly with one male?
Why do female adders copulate so frequently?
Dominant looking male teenagers copulate earlier
Do Female House Sparrows Copulate with Extra-Pair Mates to Enhance Their Fertility?
Why do female Gunnison's prairie dogs copulate with more than one male?
Copulation frequency in birds: why do females copulate more than once with the same male?
On the Possibility that Intercontinental Landbird Migrants Copulate En Route
Etudes sur la regeneration des organesgenitaux chez la planaire Dugesia lugubris. 2. Regeneration de l'appareil copulateur