Cross was a little taken aback by her abrupt manner.她鲁莽的态度让克罗斯感到有点吃惊。Mullins knocked me off-balance with his abrupt change of subject.马林斯突然改变话题，这让我措手不及。An abrupt change of location can be disorienting.地点的突然改变会令人迷失方向。...
我是献血者，我不能冒任何接触传染的危险。I'm a blood donor; I can't risk any contagion.献血者献血供医院使用.Blood donors give blood for use in hospitals.有关选择献血者的指导很快发生了变化.The guidance for the selection of blood donors was changing rapidly....
Two appendixes are affixed : Wuxi Gu's pedigree and chronological table. "正文后还有两个附录: 无锡泾皋顾氏世系表和 顾贞 观年表.It is rather disappointing that so few of the features show clear - cut Mendelian pedigree patterns.颇使人感到失望的是,只有...