“受精卵”造句
两天以后，他们把
受精卵重新植入了我的体内。
Two days later, they implanted the fertilized eggs back inside me.
当
受精卵植入子宫壁时，妊娠就开始了。
Pregnancy begins when the fertilized egg is implanted in the wall of the uterus.
非同卵双生子是两个
受精卵同时在子宫内着床的结果。
Non-identical twins are the result of two fertilised eggs implanting in the uterus at the same time.