ceiling board

例句：

1. 1. The engineer designed aceiling board to support the roof.
   工程师设计了一个天花板板来支撑屋顶。
2. 2. The constructionworkers were busy installing ceiling boards in theattic.
   建筑工人忙于在阁楼安装天花板板。
3. 3. The new office building has ahigh ceiling board that provides excellent lighting.
   新办公楼有一个高天花板板，提供了极好的照明。