rugan.[生][解](尤指内脏的)脊；皱褶；皱纹rugn.地毯；毯子；旅行毯rugger-buggern.粗野的年轻体育迷rug type search地毯式搜索rugae gastricae胃皱褶rugae vaginales阴道褶rugae of vagina阴道皱褶Ruggeri's reflex面神经根rugae of stomach胃皱褶Ruganotus rufipesn.红足皱背蝗Ruggi's operation[计] 根轨迹法Ruggeri rs reflex鲁杰里氏反射