纸包不住火Truth will come to light sooner or later.
把某事暴露于光天化日之下expose sth to the light of day
微光电视摄像机low light level television camera
偏光显微镜polarized light microscope
紫外线ultraviolet light
[集合小管]主细胞principal cell, light cell
光固化复合树脂light-cured composite
诱蛾灯light trap