light day光日lightn.光；光线；灯；打火机；领悟；浅色；天窗adj.轻的；浅色的；明亮的；轻松的；容易的；清淡的v.点燃；变亮；照亮adv.清楚地；轻便地light-induced bleaching光诱致褪色light guide refractometer光导折射计light commutation circuit光开关电路light weight construction轻质构造light-sensitive surface光敏面,感光膜light- gathering cavity聚光腔light and heat conditions光热条件light-scattering system光散射系统light-caused dermatoses光线引起的皮肤病Light-Gun Input Program光笔输入程序