copulate

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This probability is probably quite high because a subatomic particle, atom or molecule probably can't urinate or copulate on its own.
这一概率可能十分高，因为一个分子、原子及其之内的粒子，大概不能够靠自己来尿尿或者交合。
Even though there is a lavish wedding ceremony complete with booze and dancing, the girl is not expected to copulate with the animal – which is good news!
即使是举行了一个有酒宴、歌舞的盛大的婚礼，这个女孩也不会被期待与动物交配——这真是一个好消息！
Only a few vertebrates besides humans copulate face to face. Among those that sometimes do this: hamsters, beavers, and some primates, such as bonobos and orangutans.
除人类之外，仅有少数几种脊椎动物会发生面对面的性行为，包括仓鼠，海狸，以及包括波诺波黑猿和猩猩在内的部分灵长类动物。

Moreover, only once they're out of the way can he reproduce and copulate with the females.
只有把它们除掉,它才可以跟雌狮交配，繁殖。
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Females have three to six kids over a lifetime and copulate every three hours when in heat.
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Only a pervert watches or eavesdrops when others pee, defecate, copulate, masturbate, etc.
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Scientists toil behind the scenes provide the rich holiday makers with an exciting (but actually closely monitored and regulated) experience, populated by robots that are almost entirely designed for humans to kill and copulate with.
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If one animal or person copulates with another, they have sex. You can also say that two animals or people copulate.
copulation