词汇 | light bulb |
释义 | light bulb noun [ C ] (also lightbulb, light-bulb) uk/ˈlaɪt ˌbʌlb/ us/ˈlaɪt ˌbʌlb/ 电灯泡 a glass or transparent container, usually rounded, with something inside that produces light when an electric current passes through it, such as an electric filament (= a thin thread of metal) or an LED (= an electronic device) Changing a light bulb is not difficult. If we connect a lightbulb to the wire, the electricity will light it up. New designs have led to a huge increase in light-bulb efficiency. Synonym: bulb
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