saddle back brick coping

例句：

1. 1. The buildersused saddle back brick to reinforce the wall.
   建筑工人使用鞍背砖加固了墙壁。
2. 2. The old house had a saddle backbrick that was still standing after centuries.
   这座老房子的鞍背砖在经历了几个世纪后仍然屹立不倒。
3. 3. Theengineer designed the saddle back brick to provideextra support for the structure.
   工程师设计了鞍背砖来为结构提供额外的支撑。