Since only one female usually lays eggs in a given larva, it would pay her to produce one male only, because this one male could fertilize all his sisters on emergence.
因为通常只有一只雌性在一个特定的幼虫中产卵,所以它只会产生一只雄性,因为这只雄性可以在孵化时使它所有的姐妹受精。
In the letter of one [female disguised as a male] prison guard, it said that there were three [other] women in the prison, one of whom was a major in the Union Army.
一个狱卒(女扮男装的女性)在一封信中说,监狱里有其他三位女子,其中一个是北方军的少校。
It had two large stone lions, one male, one female.
门前是一公一母两个大石狮子。
Naming expert Cleveland Evans explains that many of these names were traditionally female or male at one time or another.
VOA: special.2009.07.06
Genesis 1 speaks of male and female, one set of Hebrew terms, but Genesis 2 uses man and woman, a different set of Hebrew terms to describe the genders.
创世纪》1中用希伯来语中的男人女人,但是《创世纪》2用男的和女的,用另外的希伯来语单词描述性别。
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。
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