lunnite

例句：

1. 1. The old building was made of lunnite blocks.
   这座老建筑是用砖石砌成的。
2. 2.Lunnite is a common material used in construction.
   砖石是建筑中常用的材料。
3. 3. The engineer designed the structure with lunnite walls.
   工程师用砖石墙设计了这个结构。