... automatically trigger flash unit 释义：自动触发闪光灯 speed lamp 释义：电子闪光灯 lamp with spring loaded flexible arm,flash 释义：弹簧支承软臂式闪光灯 ...
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speed pickup lamp 速度拾波器灯
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。
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。
Light weight, folding structure unique, the lamp in the high-speed driving 90 degrees down lamp, effectively reduce the wind resistance.
重量轻，独特的折叠式结构，使灯具能在车辆高速行驶时90度卧倒灯头，有效减少风阻。
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