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 disc明带

1. Each eye has a light gathering system and a sensitization system.
   每一个小眼都有一套集光系统和感光系统。