A glass bulb filled with finely shredded aluminum or magnesium foil that is ignited by electricity to produce a short-duration high-intensity light flash for taking photographs.
闪光泡一种内部装有铝箔或镁箔的精细碎片的玻璃灯泡，用电点燃以发出短暂的高强度闪光，从而拍摄照片。
When his eyes locked on mine, I saw the light bulb flash overhead as a grin spread across his face.
当吉姆把目光锁定在我身上时，我彷佛看到他头顶上方出现一个闪光的灯泡，他咧嘴笑了起来。
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