fertilization/ˌfɝtələˈzeɪʃən/复数形式fertilizations1受精the union of a sperm and an egg to form a zygote, which marks the beginning of sexual reproduction in organisms同义词： fecundationfertilisationimpregnation2施肥, 肥沃化making fertile as by applying fertilizer or manure同义词： fecundationfertilisationdressing