Yahoo奇摩字典 網頁搜尋

  1. oleum

    • IPA[ˈōlēəm]

    美式

    • n.
      a dense, corrosive liquid consisting of concentrated sulfuric acid containing excess sulfur trioxide in solution.
    • noun: oleum

    • 更多解釋
    • IPA[ˈəʊlɪəm]

    英式

    • n.
      a dense, corrosive liquid consisting of concentrated sulphuric acid containing excess sulphur ...

    Oxford Dictionary

  2. 知識+