geometrical stair

例句：

1. 1.The architect designed a geometrical staircase for the new building.
   建筑师为新建筑设计了一个几何楼梯。
2. 2.The stairs were made of stone, which added to the aesthetic appeal of the room.
   楼梯由石头制成，增加了房间的美感。
3. 3.The geometrical staircase was intricate and beautiful, drawing attention to the artist's skill.
   几何楼梯复杂而美丽，吸引了人们的注意力，展现了艺术家的技巧。