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 tactics the police are now to employ are definitely uncompromising.警方目前即将采取的策略明显很强硬。He has a reputation for being tough and uncompromising.他的严厉和强硬态度是出了名的。This is an uncompromising struggle.这是一场毫不调和的斗争....
可以将二氧化碳液化，以便和其他成分分开。You can liquefy the carbon dioxide to separate it from the other constituents.问题是沙质土壤的液化作用.The problem was one of liquefaction of the sandy soil.由液化空气所取得的氧其纯度通常约为99.5%.Oxygen obtained from liquefied a...