cornish stone

例句：

1. 1. The Cornishstone is a popular material for building housesin the area.
   康诺斯石是该地区建筑房屋的流行材料。
2. 2. The Cornish stone was used to create the beautifulbridge that spans the river.
   康诺斯石被用来建造那座横跨河流的美丽桥梁。
3. 3. The Cornish stone has beenrecognized as one of the most valuable resourcesin the region.
   康诺斯石被认为是该地区最有价值的资源之一。