polygonal dome

例句：

1. 1.The architect designed a polygonal dome for the new building.
   建筑师为新建筑设计了一个多面体穹顶。
2. 2.The construction of the polygonal dome was completed in two years.
   多面体穹顶的建设用了两年时间完成。
3. 3.The polygonal dome is anarchitectural marvel that attracts tourists from allover the world.
   多面体穹顶是一个令人惊叹的建筑设计，吸引了来自世界各地的游客。