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light bulb

noun
🔊/ˈlaɪt bʌlb/
🔊/ˈlaɪt bʌlb/
(also bulb)
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  1. the glass part that fits into an electric lamp, etc. to give light when it is switched on电灯泡
    • A single dim light bulb lit the room.屋里只有一只昏暗的灯泡照明。
    • The room was lit only by a single 40-watt light bulb.房间只有一只 40 瓦的灯泡照明。