Many dentists will no longer treat National Health Service patients, which is a big backward step in this country.许多牙医不再为依靠国民保健制度的病人看病,这是该国的一大倒退。...a busy dentists' practice in the heart of London's West End.位于...
国王和王后伉俪走在前面, 其余陪伴的人员按先后顺序跟在后面.The royal couple left, followed by the rest of the company in order of precedence.就是那种喜欢并且吸引女性陪伴的男人.A man who enjoys and attracts the company of women.一段最好能有人在身边陪伴的旅程.One that in much better...
He was commissioned as second lieutenant in the Air Force.他被任命为空军少尉。I have commissioned my bank to pay my taxes.我授权我存款的银行代我付税.I was commissioned ( as a ) general in 1944.我于1944年被任命为将军....
目的构建β淀粉样前体蛋白裂解酶 ( BACE ) 特异性小干扰RNA真核表达载体.Objective To construct eukaryotic expression vector of siRNA specific for � � - site APP cleaving enzyme ( BACE ).褐藻胶裂解酶能裂解褐藻胶制备寡糖, 是一种重要的工具酶.Alginate lyase can degrade alginates ...