the act of sexual procreation between a man and a woman; the man''s penis is inserted into the woman''s vagina and excited until orgasm and ejaculation occur 同义词：sexual intercourse, intercourse, sex act, coitus, coition, sexual congress, congress, sexual relation, relation, carnal knowledge,
例句与用法
1.
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。
2.
Devoted to the subject of oral copulation and fertility . . 有关口交和怀孕的关系
3.
Devoted to the subject of oral copulation and fertility . . 有关口交和怀孕的关系
4.
Devoted to the subject of oral copulation and fertility 有关口交和怀孕的关系
5.
He then made the action of copulation and broke the big stone 说著就做出交媾的动作，把石头弄破。
6.
And every garment , and every skin , whereon is the seed of copulation , shall be washed with water , and be unclean until the even 17无论是衣服是皮子，被精所染，必不洁净到晚上，并要用水洗。
7.
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。
8.
" at the end of the copulation , the praying mantis eats its partner . " by jean - henri fabre , french entomologist , 1823 - 1915 就在交配完的当天，雌螳螂就把它的配偶抓住，按照习惯先啃食颈部，然后一小口一小口有条不紊吃得只剩下翅膀。
9.
Three individuals , c9904 , xfi9915 and xf ] 9933 , were found with more genetic diversity in current study , so it will be better to offer more copulation chance to these individuals in captive breed plan 在饲养种群的人工选择交配中应增加c9904 ， xf _ 19915和xf _ 19933个体与其他鳄进行交配的机会。
10.
For a male that stands less than a 20 percent chance of fathering offspring in no more than eight weeks of life , becoming snack food is a small price to pay for a shot at copulation 而对于雄性蜘蛛来说，在它不到8个星期的寿命里面，繁殖后代的机会只有20 % ，变成了别人的小吃和传宗接代相比就是小巫见大巫了。
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