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-identic...
a tablecloth edged with lace镶有花边的桌布He sat there ruminating and picking at the tablecloth.他坐在那儿沉思,轻轻地抚弄着桌布.Give the tablecloth a good shake before putting it away.桌布收起来之前要好好抖一抖....