~ sth to add a substance to soil to make plants grow more successfully 施肥于
~ sthto put pollen into a plant so that a seed develops; to join sperm with an egg so that a baby or young animal develops 使受粉；使受精；使受胎；使受孕
Flowers are often fertilized by bees as they gather nectar.
花常在蜜蜂采蜜时受粉。
a fertilized egg
受精卵