Researchers continued to study the link between vaccination and intussusception.于是,研究人员继续探究疫苗接种与肠套叠的关系.Of the remaining 102 cases of intussusception, 57 had received the vaccine.剩下的102起中, 57起接受过该疫苗接种的.At laparotomy, ileo...
另一种方法是在操作台用净化空气罩.A second method is to use a clean - air hood at the loading station.我走上前,跪在她面前,寒冷的空气罩住了我的全身.I came up and kneeled at the side of her coffin....
目睹困苦、潦倒的景象，他们感到心里极不舒服。They were sickened by the scenes of misery and degradation they found.他们在最困苦时仍处之泰然,连捉住他们的人都深有感触.The philosophy of them during their worst sufferings impressed even their captors.烈火试真金, 困苦练壮士.The fir...