It is just as likely that he was a charlatan peddling hocus - pocus.他过去恰恰很可能是个挨家挨户行骗的江湖医生.He worked as a door-to-door salesman peddling cloths and brushes.他的工作是上门推销抹布和刷子。The war against drug peddling is all about cash.禁毒...
目的探讨经内镜逆行胆胰管造影(ERCP)的临床价值, 以提高急诊胆道蛔虫病治疗水平.Objective To evaluate the clinical value of ERCP, and to improve the acute biliary ascariasis.霍特兹举了个有关弓蛔虫病的例子,这种病通过狗的粪便传播.Hotez gave the example of a disease called toxocariasis ...
天文学家们过去一直感到奇怪,为什么只有土星有光环.Astronomers used to ask why only Saturn has rings.“土星族”飞行器可以分为三类或三组.The Saturn family of launch vehicles falls into three types or groups.数值例子大多数取自“土星V”飞行器的研究.Numerical examples are mostly taken ...