- a glass bulb containing a gas, such as argon or nitrogen, at low pressure and enclosing a thin metal filament that emits light when an electric current is passed through it
Sometimes shortened to: bulb
单词 | light bulb |
释义 | WordReference Random House Unabridged Dictionary of American English © 2024 light′ bulb′,
Collins Concise English Dictionary © HarperCollins Publishers:: light bulb n
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