luein.勒丰; 勒丰硬币luabbr.[化]镥（=lutetium）abbr.卢森堡（=luxembourg）Lulong earthquake卢龙地震Luliang Mountains芦芽山luminescent panel电发光存储板luminosity factor发光率Luzula parvifloran.小花地杨梅luminescent decay发光减弱lunula lacrimalis[医] 泪弧影luminance bunches亮度谱线束Ludlow's Fulvettalubricator groove油槽； 润滑油槽