常見(jiàn)例句雙語(yǔ)例句Molecular weight being 250, SD is a half antigen.磺胺嘧啶的分子量為250，為半抗原。Embryo was viewed as a half allograft to mother because of expression of paternal antigen.胚胎對(duì)于母體來(lái)說(shuō)是半異己的移植物，其表達(dá)部分父系抗原。Though the contribution to European DNA from Neanderthals is only about 6 percent, that small percentage accounts for half the observed human leukocyte antigen alleles.雖然尼人遺傳給歐洲人的DNA僅有6%，但是人類(lèi)目前所發(fā)現(xiàn)的白細(xì)胞抗原等位基因中，有一半來(lái)源于尼人的貢獻(xiàn)。 返回 half antigen