1.Before using the sperm to fertilize an egg, they could test it to make sure it was healthy and lacked the genetic defect.
在用精子使卵子受精之前，他们先对精子进行检查，以确认它是健康且不存在基因缺陷的。
2.To crossbreed or cross-fertilize(plants or animals).
杂交使（植物或动物）杂交繁育或异体受精
3.Many farmers fertilize their crops in order to make them grow more quickly.
许多农民给庄稼施肥，为的是让庄稼长得更快些。
4.To crossbreed or cross-fertilize.
杂交繁育，异体受精
5.Self-compatibility The capacity to self-fertilize. Many flowers are capable of self-fertilization if pollination fails, and a few species do it regularly.
自交亲和性：指植物自花受精的能力。许多花可以在授粉失败后进行自花受精，其中有些种类定期进行此过程。
6.To fertilize(an ovum, for example).
使（例如卵细胞）受精
7.Pumpkins get their start when bees fertilize their flowers.
当蜜蜂是南瓜花受精时他们的生命才得以开始。
8.Producers use artificial insemination to fertilize the eggs.
饲养者往往采用人工授精方式以使雌性火鸡更多产。
9.an animal that produces gametes (spermatozoa) that can fertilize female gametes (ova).
生产雄配子（精子）的动物，雄配子能使雌配子（卵子）受精。
