lightfuladj.明亮的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-press fit轻压配合lights glittering灯火闪熠lighter insurance驳运保险lighting function照明功能light microsecond光微秒lighting set-up照明设计lighting platform灯光平台light-duty test轻荷试验light in the headn.头晕(头脑简单)light gauge sheet薄板

1. The light wave propagates in a straight line.
   光波以直线形式传播。
2. The same effect happens with light waves.
   同样的效果页发生在光波上。