动词 light up:

1. start to burn with a bright flame

2. make lighter or brighter

3. become clear

4. ignite

5. begin to smoke

形容词 lighting-up:

1. turning lights on

light cap轻压盖,轻盖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-section method光切法Light - texture soil砂土light wave retardation光波延时light-loaded network轻负载网络Light and heat therapy光热治疗light optical exposure光学曝光light steel structures轻钢结构light compass movement光罗盘运动light up with pleasure(脸)露出高兴的表情light the whole street照亮了整个一条街

1. Her face lit up when she saw he was coming.
   当她看到他走过来的时候，她的脸亮了起来。
2. The dark room was momentarily lit up by a vivid flash of lightning.
   那黑洞洞的房间顿时被强烈的闪电照亮了。
3. He lit up a cigar.
   他点燃了雪茄。
4. He lit up a wax candle.
   他点燃了一支蜡烛。