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...
栎木弯而不折.Oak may bend but will not break.栎木餐桌在烛光下变得精致无比.The lighted candles transformed the oak table into an elegant dining table.墙板分两类,一种是白栎木,另一种是黄松.The wallboard comes in both white oak and yellow pine....
Thorpe could only stand and gawp.索普只是站着傻看。It commemorates a trek more gruelling than the tourists who gawp at it can imagine.它是为了纪念一次艰苦的跋涉,其艰难程度超出了那些看到这座雕像的人的想象....