main dome

例句：

1. 1. The main dome of the temple is made of stone.
   这座寺庙的主穹顶是由石头制成的。
2. 2.The main dome of the skyscraper is very tall.
   这栋摩天大楼的主穹顶非常高。
3. 3. The main dome was built to hold the weight of the entire building.
   主穹顶被建造来承受整个建筑的重量。