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单词 phosgene
释义 phosgene/ˈfɒzdʒi:n/n. a colourless poisonous gas (carbonyl chloride), formerly used in warfare Chem. formula 化学分子式 : COCl2 光气,碳酰氯(一种无色的毒气,原来用在战争中)[Greek phōs ‘light’ + -GEN, with reference to its original production by the action of sunlight on chlorine and carbon monoxide]
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