regenerated roof

例句：

1. 1. The new regenerated roof has greatly improved the energy efficiency of the building.
   新的再生屋顶大大提高了建筑的能源效率。
2. 2.The company invested heavily in the construction of a regenerated roof for its new office building.
   该公司投资巨资建设了一座新的再生屋顶，用于其新办公楼。
3. 3. The regenerated roof is made from recycled materials and can last up to 50 years.
   再生屋顶由回收材料制成，可使用长达50年。