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
- 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。 - Minimus was developed to22 generations by artificial copulation, meanwhile its ecological characteristics were observed too in laboratory.
用人工交配法，在室内饲养繁殖微小按蚊至22代，同时对微小按蚊生态习性作了一些观。 - 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； - 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 - Deterministic behavior models on copulation, spawning and environmental selection of artificial fish are built.
建立了人工鱼产生交配欲望、产卵和环境选择等预定义行为的认知模型。 - 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。 - 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。 - A study on the mating season and the pattern of copulation behavior in Plateau Pika
高原鼠兔交配期及交配行为模式的研究 - 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。