semioctagonal

例句：

1. 1. The building is designed to be semioctagonal, with a curved roof that wraps aroundthe sides.
   这座建筑设计成半八边形，屋顶呈曲线状环绕在侧面。
2. 2. The architect was inspired by the natural shape of the land and created a semioctagonal structure that blends seamlessly into its surroundings.
   建筑师受到土地自然形态的启发，创造了一个与周围环境完美融合的半八边形结构。
3. 3. The designer wanted to create a unique piece of furniture that would stand out in a semioctagonal space.
   设计师想要创造一件独特的家具，能够在半八边形的空间中脱颖而出。