Hepatitis E virus ( HEV ) strain 87 A and enterovirus ( ETV ) echovirus type 13 were inocu - lated onto A 549 cell line.建立了生物素标记探针技术,以便用于戊型肝炎病毒 ( hepatitisEvirus,HEV ) 的诊断及与肠道病毒的鉴别....
枯死的榆树已被移去而换栽了一排幼树.The dead elms have been replaced by a row of saplings.这些幼树已经扎根了.The young trees have struck root.老苹果树必须挖掉,种上幼树.The old apple trees must be grubbed up and young ones planted....
He won admiration for his forensic skills in cross-examining ministers.他在盘问几位部长时表现出的问案技巧为他赢得了赞赏。I have given the matter much thought, examining all the possible alternatives.这个问题我已经考虑了很多，分析了各种可能的选择。They are examining the...
He asked his mother to send it by registered mail.他让他妈妈用挂号邮件寄。Is the domain name already registered or still available?该域名已经被注册还是仍然可用？Thousands have registered with unemployment offices.已有数千人在失业管理处作了登记。...