I believe they were originally used to pulse a flash lamp in an airport.
我相信它们最初是用来为机场的闪光灯供电的。
Hollywood is not only has Red carpet, Flash lamp, but also has very bad things.
好莱坞不仅仅有红地毯，闪光灯，还有很多糟糕的事情。
With a flash, the kerosene lamp went out.
煤油灯闪了闪就灭了。
With a flash, the kerosene lamp went out.
煤油灯闪了闪就灭了。
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