Objective To prepare safe and valid Group A Meningococcal polysaccharide conjugate vaccine.目的制备安全、效的A群 脑膜炎球菌多糖结合疫苗.Objective To prepare group A + C meningococcal polysaccharide conjugate vaccine.目的研制A+群脑膜炎球菌多糖-破伤风类毒素结合疫苗...
Brian was whirling like a dervish, slapping at the mosquitoes and moaning.布赖恩如同旋转舞蹈的托钵僧一样转来转去，一边拍打着蚊子一边抱怨不停。His thoughts churned chaotically in his brain like snowflakes whirling about in the north wind.头脑里,情思弥漫纷乱像个北风飘雪片...
He was hand-picked for this job by the Admiral.他是由海军上将精心挑选出来担任这项工作的。He had never met a real live admiral.他从来没遇到过一位真正的海军上将。He abused the Admiral in the grossest terms.他用不堪入耳的话辱骂那位海军上将。...