/ˈfɜːtɪˌlaɪz/ vt.1.+ soil, water使肥沃；给…施肥
The faeces contain nitrogen and it is that which fertilizes the desert soil.粪便含氮, 而正是氮使荒芜的土地变得肥沃。
2.【生】+ egg, plant使受精；给…授精
the normal sperm levels needed to fertilize the female egg让女性卵子受精所需的正常精子水平
Certain varieties cannot be fertilized with their own pollen.有些品种不能自花受精。
3.(encourage)鼓励；促进
The presence of troops helps to fertilize extremism.军队的出现促进了极端主义的滋生。