戴恩本人就特别热衷的群图解的倡导者.Dehn himself was a particularly enthusiastic advocate of group diagrams.戴恩特里一直焦虑不安, 沉默不语, 完全陷于自己的思路.Daintry had been a brooding restless presence, silent, locked in thoughts of his own.萨宾·乔尔戴恩在港口散步的时候遭遇...
DNA was extracted from fetuses at mid - gestation, about 10 days past conception.DNA从受孕大约10天后的 中期 妊娠胚胎中提取.Brucellosis is a disease that causes fetuses to abort in cattle.普鲁士菌病是一种可以导致牲畜胎儿夭折的疾病.B . Fraternal Twins Fetuses ...