| 单词 | pyrosulphuric acid |
| 释义 | > as lemmaspyrosulphuric acid pyrosulphuric acid n. a crystalline oxyacid of sulphur which is a powerful protonating agent and a major component of fuming sulphuric acid or oleum.Formula: (HO)2SO2·O·SO2(OH)2.extracted from pyrosulphuricpyrosulfuricadj.< as lemmas |
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