The safe-light should be fixed four feet above the table.
安全光应该固定在桌上四英尺处。
It brought a new, safe light to the gas lit cities and candlelit countryside.
它给点煤气灯的城市和点蜡烛的乡村带来了一种安全的新光源。
If the light is yellow, you should wait. It is better to wait and be safe.
如果灯是黄色的，你应该等等。最好等到安全为止。
Please wait for the green light. It's safe.
请等待绿灯。它是安全的。
Please wait for the green light. It's safe.
请等待绿灯。它是安全的。
应用推荐