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....
Natural gas liquification involves both mixed - refrigerant cycle and nitrogen expander cycle.近几年国内天然气液化技术主要采用混合工质液化循环和氮膨胀液化循环.The Catalyst that is suitable for Shenhua coal liquification was found out through experiment...
集市上熙熙攘攘挤满了买卖东西的人。The marketplace was jammed with a noisy crowd of buyers and sellers.每逢周二与周六，镇上就会有集市。On Tuesdays and Saturdays the market comes to town.他在集市上摆摊卖靴子。He sold boots on a market stall....
The amygdala is an executor of stress behavioral, autonomic and neuroendocrine responses.杏仁核是应激性行为反应以及自主神经和神经内分泌反应的执行部位.The autonomic nervous system is also called the visceral, vegetative, or involuntary nervous system....