现在，当它们从冬眠中醒来时，交配的过程就开始了。

Now when they emerge in the spring from hibernation, the mating process begins.

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他们的研究对象是草原田鼠，一种终生交配的小型啮齿动物。

Their study was conducted in the prairie vole, a small rodent that mates for life.

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玩耍还可以为求爱和交配所需的社会行为提供练习。

Play can also provide practice in social behaviors needed for courtship and mating.

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And so he said, if you start off with a male and a female, at the end of one month they have an offspring. Let's assume they have two offspring. At the end of the next month let's assume those offspring have offspring. Again a male and female.

在13世纪的时候想要计算兔子的数量,就是一个月大的兔子,再过一个月就可以进行交配,所以它说如果你一开始有一公一母两只兔子,在一个月末它们就可以生小兔子,让我们假设它们生了两只小兔子。

麻省理工公开课 - 计算机科学及编程导论课程节选

And the guys said, "Well, you know, The rooster works very hard " The rooster has sex dozens of times a day" " And she said, "Well, be sure to tell that to the president" The story goes, the president went around, the guy tells the story to the president The president asks the man, "Huh Has sex dozens of times each day ?" Same hen every time?"

那人回答说，“那只公鸡很卖力的,每天交配好几十次“,她就说“确保把这告诉总统“,然后总统走过来，那人也跟总统说了这事,总统问他,“每天交配几十次,是和同一只母鸡吗“

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