to spread a natural or chemical substance on land or plants, in order to make the plants grow well

to cause an egg or seed to start to develop into a new young animal or plant by joining it with a male cell

Bees fertilize the flowers by bringing pollen. 蜜蜂通过传播花粉使花朵受粉。

Once an egg is fertilized by the sperm, it becomes an embryo. 卵子受精后即成胚胎。