名词 light adaptation:

1. the process of adjusting the eyes to relatively high levels of illumination; the pupil constricts and the cones system is operative

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 trap光挡,遮光灯罩,光阱,陷光器