A newer anti-HIV drug called pyridinone caused HIV to mutate into a form which could not reproduce or infect new cells. 一种叫作吡啶酮的新型抗艾滋病药物能促使艾滋病毒变异，使其不能繁殖，也不会再感染新的细胞。
Remember, the estate agent is working for the vendor.记住，房地产代理商是为房地产卖方服务的。Is the vendor always held responsible if goods are faulty?如果产品有瑕疵,卖主是否一定要负责到底?Kevin stopped to buy the evening paper from a news vendor.凯文停下来向报贩买了一...
我期盼的一件事就是在剑桥乘坐平底船畅游。The one thing I look forward to is going punting in Cambridge.我离开剑桥时，透支了1万英镑。When I left Cambridge I had a £10,000 overdraft.他要我和他一起去剑桥。He asked me to go to Cambridge with him....
Another prolific scorer is Dean Saunders.另外一个得分高手是迪安·桑德斯。Saunders was the influential chairman of the Sequoia Clubs Fiance Committee.桑德斯是红杉俱乐部财务委员会的举足轻重的主任委员.Nancy took satisfaction in recording " Irwin Saunders is one o...