copulation
英 [ˌkɒpjuˈleɪʃn]
美 [ˌkɑːpjuˈleɪʃn]
n. 交配；交尾；连结
复数：copulations
BNC.23748 / COCA.24488
柯林斯词典
- V-RECIP 性交;交配;交尾
If one animal or personcopulates withanother, they have sex. You can also say that two animals or people copulate.- During the time she is paired to a male, the female allows no other males to copulate with her...
雌性与雄性配对时，雌性不允许其他雄性与之交配。 - Whales take twenty-four hours to copulate.
鲸交配需要24小时。
- During the time she is paired to a male, the female allows no other males to copulate with her...
英英释义
noun
- the act of sexual procreation between a man and a woman
双语例句
- Observation on copulation and reproduction of Musca domestica
对家蝇交配与繁殖的观察 - However, the hairs on or in the male terminaliae may be of importance in copulation.
但是，尾器的感觉毛数量多、分布广，可能在完成交配行为中具有重要意义。 - In addition, an improved real-coding copulation operator was also raised.
另外，给出了一个改进的实数编码的两点交叉算子。 - Studies on the reproduction of the oriental migratory locust: the physiological effects of castration and copulation
东亚飞蝗生殖的研究：去势和交尾在生理上的效应 - Study on the Change of Reproductive Hormones in Crab-eating Macaque after Copulation in Guangxi Area
广西地区食蟹猴配种后主要生殖激素的变化 - But copulation experience did not affect the host-locating and host-examining time.
交配与否不影响雌蜂用于搜寻寄主和检验寄主的时间。 - Tests show that spermatophore is not produced by the male during copulation.
试验表明交尾时雄虫不产生精包。 - Adults are active in daytime and copulation tookplace from evening to next early morning.
成虫白天活动，黄昏时交尾，羽化多集中于凌晨。 - Results Oncomelania hupensis hupensis's copulation behavior included calling and mating.
结果钉螺的交配行为可分为觅偶和求偶2个阶段； - Some male placoderm fossils show evidence of graspers that held the female fish during copulation.
一些雄性盾皮鱼化石显示出在交配期间用来抓住雌鱼的紧握器的证据。