lamp
n
1 device for giving light, either by the use of electricity or (esp formerly) by burning gas or oil 电灯; (尤指旧时的)煤气灯, 油灯
a street, table, bicycle lamp 街灯、 台灯、 自行车车灯.
2 electrical device producing radiation (for medical, etc purposes) 发出热射线的电器装置(供医疗等用者)
an infra-red/ultraviolet lamp 红外线[紫外线]灯.