spheric dome

例句：

1. 1.The architect designed a spherical dome for the new museum.
   建筑师为新博物馆设计了一个球面穹顶。
2. 2.The spherical dome of the skyscraper is visible from the top floor.
   这座摩天大楼的球面穹顶从顶层可见。
3. 3. The spherical dome was used as a shelter during the storm.
   在暴风雨中，这个球面穹顶被用作避难所。