rainbow granite

例句：

1. 1. The rainbow granite is the most popular material for building homes in this area.
   彩虹花岗岩是该地区最受欢迎的建筑材料。
2. 2. The rainbow granite has a unique color that makes it very attractive to many people.
   彩虹花岗岩具有独特的颜色，吸引了许多人的注意。
3. 3. The rainbow granite was used as a decorative element in the construction of this hotel.
   彩虹花岗岩被用作这家酒店建筑的装饰元素。