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。
She went from place to place, and dug and weeded.她到处走, 又挖土,又锄草.They weeded out useless books from library.他们从图书室里淘汰无用的书.He weeded out one by one the books he didn't want.他把不想要的书一本一本丢掉....
Hydrogen is used extensively in industry for the production of ammonia.氢气在工业上广泛用于制氨。He mobilized public opinion all over the world against hydrogen-bomb tests.他动员全世界的舆论反对氢弹试验。Carbon, hydrogen and oxygen combine chemicall...
而且, 她还用比过去几年更快乐的笔调,诙谐地写作.Again, more happily than she had written for years, she jested.那确实令人局促不安,但我诙谐地避开了家里人的嘲笑和奚落.That was really unsettling but I fended off the taunts and jibes of the family good - humouredly....
You are a vision of loveliness.你真是漂亮极了。The loveliness of the scene was beyond compare.景色之美无与伦比.Beauty also -- her type of loveliness -- and yet she was lonely.她还有她那种类型的 美貌,可她却感到寂寞....
约翰·道尔顿真不愧是一位才华出众的人物!John Dolton was certainly a man of parts!道尔顿下决心通过实验把这个问题弄个水落石出.Dalton determined to work it out by experiment.他要让蓓西埋伏在一座这样的楼里,窥伺着道尔顿先生的汽车.He would make Bessie hide in one of these buildings and watch ...