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单词 sulphurous acid
释义

Collins Concise English Dictionary © HarperCollins Publishers::
sulphurous acid n
  1. an unstable acid produced when sulphur dioxide dissolves in water: used as a preservative for food and a bleaching agent. Formula: H2SO3
    Systematic name: sulphuric(IV) acid
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更新时间:2025/7/23 13:21:41