When an egg from the ovary of a woman or female animal is fertilized, a sperm from the male joins with the egg, causing a baby or young animal to begin forming. A female plant is fertilized when its reproductive parts come into contact with pollen from the male plant.
双语例句
例： Certain varieties cannot be fertilized with their own pollen.
某些品种不能自花授粉。
例： the normal sperm levels needed to fertilize the egg.
使卵子受精所需的正常精子水平。
例： Pregnancy begins when the fertilized egg is implanted in the wall of the uterus.
妊娠是从受精卵被植入子宫壁里的时候开始的。