1. The great speed of light explained why when we turn on a lamp in a dark room, the lamp and everything else in the room seem to light up at once. 
   巨大的光速解释了为什么当我们在黑暗的房间里打开电灯时，灯和房间里的一切都似乎立即亮起来。
2. Because of the great speed of light, we see a lamp light up almost at the exact moment we turn it on. 
   由于光速极快，我们几乎能在开灯的那一瞬间就看见电灯亮起来。
3. Because of the great speed of light , we see a lamp light up almost at the exact moment we turn it on. 
   光的传播速度极快，就在打开灯的瞬间我们就看见灯光了。
4. high pressure mercury lamp 
   高压汞灯
5. high pressure sodium lamp 
   高压钠灯

查看更多例句 相关情景会话