copulation

英 [ˌkɒpjuˈleɪʃn]

美 [ˌkɑːpjuˈleɪʃn]

n.  交配；交尾；连结

复数：copulations　

医学

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.
  1. 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。
  2. Whales take twenty-four hours to copulate.
     鲸交配需要24小时。

英英释义

noun

• the act of sexual procreation between a man and a woman
  Synonym:sexual intercourseintercoursesex actcoituscoitionsexual congresscongresssexual relationrelationcarnal knowledge

双语例句

• The nuptial gift behavior was observed and the females consume the offering of the males during copulation.
  观察到了雄虫的献礼行为，雌虫边取食边交配。
• 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。
• Behavior ecological study on copulation and oviposition of Apis cerana cerana Fab
  中华蜜蜂交配和产卵行为生态学研究
• 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
• Observation on copulation and reproduction of Musca domestica
  对家蝇交配与繁殖的观察
• 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。
• During copulation, the substance of MAG is mixed with sperm from testis, and reached the ejaculatory duct, and transferred to the females body through the aedeagus, influenced the reproductive behavior of female.
  交配过程中，MAG分泌物和精子在射精管中混合，通过阳茎导入到雌虫生殖道内，影响雌虫的生殖行为和生理。
• The reproductive system has a complex innervation concerned in copulation and oviposition.
  生殖系统有一个同交尾和产卵有关的复杂神经系统。
• 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。
• Copulation occurred mainly at 10:00-11:00 every day.
  交配行为主要发生在每天的10：00～11：00时；