这种疾病的患者常患严重的,往往是致命性的贫血症.Victims of this disease suffer from a severe and usually fatal anemia.我对贝壳类海鲜,有致命性的过敏.I have a fatally allergic reaction towards any seafood that has shells.好决心的致命性,总是在于为时过晚.The fatality of good r...
许多拜访者抱怨他高傲无礼。Many visitors complained of his bad manners and self-importance.大吃一惊的她高傲地扬起了眉毛。Her eyebrows were arched in supercilious surprise.她高傲地笑了一下。She smiled a snotty smile....
Shortly after implantation the blastocyst wall, the trophoblast, consists of two layers of cells.植入之后不久,胚囊的壁, 即滋养细胞含有两层细胞.The blastocyst is then surgically introduced into the uterus of a foster mother.然后通过手术把胚囊引进寄养母体的子宫...