noun🔗Share乙炔，炔烃。 Any organic compound having one or more carbon–carbon triple bonds; an alkyne."Welders often use acetylene gas in torches because it burns very hot. "焊工经常在焊枪中使用乙炔气体，因为它燃烧时温度非常高。compoundsubstancechemistrymaterialfuelChat with AIVocabulary GamePractice Reading
noun🔗Share乙炔 Ethyne; the simplest alkyne, a hydrocarbon of formula HC≡CH. It is a colourless, odorless gas, formerly used as an illuminating gas, but now used in welding or metallurgy."Workers use acetylene torches to weld metal pieces together at the construction site. "工人们在建筑工地使用乙炔焊枪将金属部件焊接在一起。compoundsubstancechemistrymaterialfueltechnicalscienceindustryChat with AIVocabulary GamePractice Reading
noun🔗Share乙炔灯 A lamp powered by acetylene, particularly a motor vehicle headlight."The antique car had a bright acetylene that lit up the dark road. "那辆老式汽车有个明亮的乙炔灯，照亮了漆黑的道路。vehicletechnologyfuelmachineChat with AIVocabulary GamePractice Reading
