granite-porphyry

例句：

1. 1. The building is made of granite-porphyry.
   这座建筑是用花岗岩制成的。
2. 2.Granite-porphyry is a popular material for flooring and countertops.
   花岗岩-花岗石是地板和台面常用的材料。
3. 3. The granite-porphyry statue was unveiled in the city square.
   花岗岩-花岗石雕像在市中心广场揭幕。