augen gneiss

例句：

1. 1. The augen gneiss is an important building material in the construction industry.
   花岗岩是建筑行业中重要的建筑材料。
2. 2. The augen gneiss has been used for centuries to create beautiful sculptures and monuments.
   花岗岩被用来制作数百年来的精美雕塑和纪念碑。
3. 3. Due to its durability and strength, augen gneiss is often used as a substitute for more expensive materials.
   由于其耐用性和强度，花岗岩常被用作更昂贵材料的替代品。