她不小心把架子上的茶叶罐碰了下来。She accidentally knocked the tea tin off the shelf.他自己动手能力太差，甚至连搭个架子都不会。He's useless at DIY. He won'teven put up a shelf.他伸手去够身后架子上的一罐烟叶。He reached for a tin of tobacco on the shelf behind him....
The severity of AP is mainly determined by Ranson score, APACHE, CT, CRP, et al.Ranson评分 、 APACHE评分 、 CT 、 CRP等是AP严重程度评价的主要方法.In CT criteria, a linear correlation was only found between PSI and Ranson score.各CT分级法中只有PSI与...