simpleadj.简单的；朴素的；单纯的；笨的simple zero单零点,一阶零点simple work简单劳动simple quad简单四心线组simple cure简单的疗法simple oxer单栏障碍simple flap单纯皮瓣simple link单节simple salt简单盐simple pole单极点, 一阶极点simple wart单纯疣