資料來源 : pyDict

鐵礦[石]

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Ironstone \I"ron*stone`\, n.
   A hard, earthy ore of iron.

   {Clay ironstone}. See under {Clay}.

   {Ironstone china}, a hard white pottery, first made in
      England during the 18th century.