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单词 sulfurous acid
释义 sulfurous acid
noun
1. : sulfur dioxide
2. : an unstable weak dibasic acid H2SO3 that is known especially in solutions of sulfur dioxide in water and in the form of its salts and that is a good reducing and bleaching agent forming sulfuric acid as it is oxidized
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更新时间:2025/3/22 3:47:03