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a device that uses electricity, oil or gas to produce light 灯 
a desk/bedside lamp 台灯/床头灯 a street lamp 路灯 an oil lamp 油灯 - (British English)
a paraffin lamp 煤油灯,石油灯 - (especially North American English)
a kerosene lamp 煤油灯 a fluorescent/halogen lamp 荧光灯/卤素灯 to switch on/turn off a lamp 开灯；关灯
Extra ExamplesTopics Houses and homesa2An oil lamp burned in the darkness. 一盏油灯在黑暗中发着光。 The study was lit only by a small lamp. 书房只有一盏小灯亮着。 He got into bed and switched off the bedside lamp. 他躺到床上，关掉了床头灯。 She could see the rain in the light of the street lamps. 她可以从路灯的灯光下看到雨水。 There were oil lamps hanging over the veranda. 阳台上挂着油灯。
Oxford Collocations Dictionaryadjective- bedside
- desk
- floor
- …
- light
- switch on
- turn on
- …
- illuminate something
- light something
- burn
- …
- shade
an electrical device that produces rays of heat and that is used for medical or scientific purposes （理疗用的）发热灯；（科学上用的）射线照射器 an infrared/ultraviolet lamp 红外线灯；紫外线灯 The specimen was viewed under an ultraviolet lamp. 那标本是在紫外线灯光下观看的。
Word OriginMiddle English: via Old French from late Latin lampada, from Latin lampas, lampad- ‘torch’, from Greek.