体外受精的研究发展the development of in vitro fertilization胚胎的性别早在受精时就决定了。The sex of the embryo is predetermined at fertilization.专业医疗机构答复说受精以后的发育是连续的。The medical professional bodies reply that development from fertilisation onwa...
The spider must wait for prey to be ensnared on its web.蜘蛛必须等待猎物被它的蛛网困住。Children in evacuation centres are falling prey to disease.疏散中心的孩子正受到疾病的折磨。On the flight from Paris to Toulon, Mechiche fell prey to panic.在从巴黎飞往土伦的...