1·He gunned the cab through the red light.
他猛踩油门，开着出租汽车闯过了红灯。
—— 《牛津词典》
2·Only if the red light comes on is there any danger to employees.
只有红灯闪亮时才有危及职工的险情。
—— 《牛津词典》
3·Do the following to ensure the safe operation of your smoke detector: if your smoke detector is working properly, the red light should be on.
为确保您的烟雾探测器的安全运行，请执行以下操作：如果烟雾探测器正常工作，则红灯常亮。
4·We should stop at red light.
我们应该在红灯前停下来。
5·Did you see the red light?
你看到红灯了吗?
1·I was led to a small room bathed in soft red light.
我被领进了一个被柔和的红光笼罩着的小房间。
—— 《柯林斯英汉双解大词典》
2·These light-emitting diodes could simulate red light.
这些发光二极管可以模拟红光。
3·At this time of day you need to filter out the red light to take a good photo.
在一天的这个时候，你需要过滤掉红光才能把相照好。
4·The room was then bathed in soft red light.
随后，隔音房间就沐浴在柔和的红光中。
5·To begin with, the laser palette was rather limited: helium-neon and ruby lasers emitted red light, and others produced invisible infrared.
刚开始时，激光的色彩是相当有限的：氦氖激光器和红宝石发出红光，其他激光器则产生不可见的红外光。