mortar-board

例句：

1. 1.The architect designed a beautiful mortar-board ceiling for the new building.
   建筑师为新建筑设计了一个美丽的砖板天花板。
2. 2.The children were playing with their mortar-board blocks in the park.
   孩子们在公园里用他们的砖板积木玩耍。
3. 3.The old church was restored with mortar-board walls and stained glass windows.
   古老的教堂被砖板墙壁和彩色玻璃窗修复了。