1. It only takes one sperm to fertilize an egg. 只需一个精子就可以使卵受精。
2. 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。
3. To fertilize the infertile land. 帮你妆点贫瘠的土地。
4. I help my father fertilize the crops. 我帮助父亲给农作物施肥。
5. Reading will fertilize his vocabulary. 阅读会丰富他的词汇。