单词	ethionic anhydride
释义	ethionic anhydride noun : a crystalline cyclic compound C2H4O6S2 formed by the action of sulfur trioxide on ethylene or alcohol called also carbyl sulfate Word History First Known Use 1857, in the meaning defined above
随便看	metatarsus metatarsuses metate metates metathenardite metatheory Metatheria metatheriae metatherian metatherians metatherias metatheses metathesis metathesise metathesised metathesises metathesising metathesize metathesized metathesizes metathesizing metathetely metathetic metathetical metathetically

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