cloister vault

例句：

1. 1.The cloister vault is a remnant of the medieval architecture.
   修道院的拱顶是中世纪建筑的遗迹。
2. 2. The cloister vault was constructed to protect the monks from the elements.
   修道院的拱顶是为了保护僧侣免受恶劣天气的影响而建造的。
3. 3.The cloister vault has been preserved as a testament to the architectural skills of the time.
   修道院的拱顶被保存下来，作为当时建筑技艺的见证。