单词：glass bulb
glass bulb的用法和样例：
例句
- In small lamps, all the air is pumped from the glass bulb, forming a vacuum, which prevents the white-hot filament from burning away.在小照明灯中，所有的空气都从灯泡中抽出，形成真空，以防炽热的灯丝被烧毁。
- 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
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