potash alum

短语

[化] 明矾

释义与例句

n.
  1. 1.

    alum, hydrated potassium aluminium sulphate, formula K₂SO₄.Al₂(SO₄)₃.24H₂O

    不可数

词汇关系

词源

From potash + alum.

来源:wiktionary