coalified wood

例句：

1. 1. The company uses coal-based woodto make furniture.
   该公司使用煤化木材制作家具。
2. 2. Coal-based wood is asustainable alternative to traditional wood.
   煤化木材是传统木材的可持续替代品。
3. 3. The construction ofthe new building used coal-based woodfor its exterior.
   新建筑的建设使用了煤化木材作为其外墙材料。