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....
One detachment pushed into the eastern suburbs towards the airfield.一支小分队开进了东部郊区向飞机场挺进。Ridley viewed his work with a cynical detachment.里德利以一种吹毛求疵的超然态度看待他的作品。He answered with an air of detachment.他回答时带着冷漠的神态。...