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acetylene 音标拼音: [əs'ɛtəl,in] n. 乙炔,电石气 乙炔,电石气 acetylene n 1: a colorless flammable gas used chiefly in welding and in organic synthesis [synonym: {acetylene}, {ethyne}, {alkyne}] Acetylene \A*cet"y*lene\, n. (Chem.) A gaseous compound of carbon and hydrogen, in the proportion of two atoms of the former to two of the latter. It is a colorless gas, with a peculiar, unpleasant odor, and is produced for use as an illuminating gas in a number of ways, but chiefly by the action of water on calcium carbide. Its light is very brilliant. --Watts. [1913 Webster] Ach Acetileno[Noun]
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