blue-stone

英[b'luːst'əʊn] 美[b'luːst'əʊn]
  • [医]胆矾,硫酸高铜
  • blue adj.蓝色的;忧郁的;沮丧的;色情的n.蓝色
  • fruited adj.结果实的;加水果调味的
名词 blue stone:
  1. hydrated blue crystalline form of copper sulfate

  2. bluish-grey sandstone used for paving and building