硅酮隆胸植入物a silicone breast implant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。A newer anti-HIV drug called pyridinone caused HIV to mutate into a form which could not reproduce or infect new cells.所有的主要难点都涌现在烯酮 ( 1 ) 的合成中....
他们排去沼泽地的水,将它变成了肥沃的土地.They drained the swamp and turned it into fertile land.我们开沟排去污水.We dug trenches to drain away the dirty water.他派遣三排去扫清道路.He detailed the third platoon to clear a path....
松懈的保安措施使小偷有机可乘.Lax security allowed the thieves to enter.松懈的监管激励私营企业采取高风险的商业模式.Slack regulation encourages private companies to adopt a high - risk business model.对于银行业来说, 采用这样松懈的安全措施会很可笑.For banking, such lax security m...
Howard Hawks hit paydirt with "Rio Bravo".霍华德·霍克斯凭借影片《赤胆屠龙》一夜成名。I went on a photo shoot to Rio with him.我和他一起去里约拍照了。After dwelling in Rio for ten years, she moved to Lisbon.她在里约居住了10年之后迁居到里斯本去了....