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 tightadj.不透光的(防光的)

1. The silicon light emitting device also can be used as a photoreceiver under reverse bias, receiving the light emitted from the other one.
   此发光元件在反偏下也可当成光接收元件，接收来自同结构顺偏元件所发出的光。