| 单词 | pyrosulfuric acid |
| 释义 | pyrosulfuric acid【化】 焦硫酸; 一缩二硫酸; 一缩二正硫酸【医】 焦硫酸, 一缩二硫酸 pyrosulfuric acid py.ro.sul.fu.ric acid AHD: [pº”r½-s¾l-fy‹r“¹k] D.J. [7pa!*r*&sJl6fj&*r!k]K.K. [7pa!rosJl6fj&r!k]n.（名词）A heavy, oily, colorless to dark brown liquid, H2S 2O 7, produced by adding sulfur trioxide to concentrated sulfuric acid and used in petroleum refining and the manufacture of explosives. 焦硫酸：比重大，油状从无色到深褐色的液体H2S 2O 7，将三氧化硫加入浓缩硫酸而制成，用于提炼石油和炸药制造 |
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