luein.勒丰; 勒丰硬币luabbr.[化]镥（=lutetium）abbr.卢森堡（=luxembourg）lumicaeruleic acid光暗酸luminosity classes光度型luminosity monitor亮度监测luetic spondylitis梅毒性脊椎炎Luohuazizhu Tablet裸花紫珠片luminance detector亮度检波器luminance overflow亮度越界Ludwig's labyrinthluminescent center发光中心luminescence probe发光探针