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

• 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；
• 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。
• 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。
• 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。
• So, interpopulational copulation does not mean sperm can be transferred successfully.
  所以，种间交配并不意味着能成功地进行精子传送。
• This paper points out that the explanation on condition ( 2) about Hardy& Weinberg Law mentioned in passage is not true and proves that the gene frequency will stabilize even if the copulation of population individuals is alternative.
  本文指出了文献[1]中对哈迪&温伯格定律中的条件②的解释是错误的，并证明了即使种群中个体间的交配是有选择的，其基因频率仍将保持稳定这一结果。
• 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。
• The copulation in mule market has become the common thing.
  骡马市上的交配也就成了情理之事。
• The grass grows and the horse is ruttish, how reasonable the natural is in turn. The copulation in mule market has become the common thing.
  草长马发情，这种自然界的交替是多么合乎情理。骡马市上的交配也就成了情理之事。
• 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