LURDn.利民联luabbr.[化]镥（=lutetium）abbr.卢森堡（=luxembourg）Lucilia shansiensisn.山西绿蝇Lujiaping Formation下寒武统lubricating syringe润滑剂注射器Luzula wahlenbergiin.云间地杨梅Lu Chun Yang Zu Shi吕纯阳祖师luminosity contrast发光度对比, 亮度对比lucus a non lucendo[拉]矛盾的字源说,不合逻辑的推理,不通的话lubricating impulse润滑脉冲Lumbosacral algesia腰骶痛lumi-aggregometer生物发光凝集测定仪