Read Edit View history 绿矾 lǜfán green vitriol Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 绿矾/綠礬 · lǜfán · green vitriol 2026/03/04 绿矾 / 綠礬 lǜfán green vitriol green vitriol (ferrous sulfate FeSO4:7H2O) 绿矾在工业中常被用作净水剂。 created sense Mar 4, 2026, 02:25 AM