I have patients who are HIV-positive and asymptomatic.我的一些病人艾滋病病毒检测呈阳性，但却无任何体征。His estimate of half a million HIV positive cases was based on an extrapolation of the known incidence of the virus.他估计有50万个HIV阳性病例，这是根据已知的病毒...
Dopamine also plays a role in drug use and other addictive behaviors.多巴胺还在吸毒和其他成瘾行为中发挥着作用.The drug can reduce the frequency and severity of attacks.这种药能降低发病次数和严重程度.'I see anti-depressants as a lifestyle drug,' ...
Conrad Black gave an excellent party that surpassed expectations.康拉德·布莱克举办了一次远超人们预期的精彩聚会。Conrad had been imprisoned for a year for gaining money by false pretences.康拉德因为诈骗钱财已经坐了一年的牢。That must be Conrad Reeves.一定是康拉德?里弗斯....
尽管他干了违法的事情，但很少有人认为他不好。Despite his illegal act, few people think badly of him.猥亵和恐吓电话都是违法的。Obscene and threatening phone calls are against the law.在街头兑换货币是违法的——无论何时都应该去银行。Changing money on the street is illegal —always us...
Nina pushed in next to Liddie.尼娜加塞儿排在利迪后边。Liddie's doorway yawned blackly open at the end of the hall.走廊尽头利迪的门黑洞洞地敞开着。'What do you mean?' I asked, offended on Liddie's behalf.“你什么意思啊？”我问，替利迪感到愤愤不平。"Wh...