Charles Bluestone查尔斯蓝灰沙岩
Bluestone 42神奇兵营
bluestone res布卢斯通水库
bluestone e硫酸铜;胆矾
Bluestone Paths青石小路
Irving Bluestone布鲁斯通
Delaware Bluestone使用当地的德拉瓦青石
Jeffery Bluestone布鲁斯通
Bluestone Medium硫酸铜培养基
N(名词) a blue-grey sandstone containing much clay, used for building and paving 胆矾