posterior wall

例句：

1. 1. The architect designed the house with a modern and elegant posterior wall.
   建筑师设计了一座现代而优雅的后墙。
2. 2.The new building has a beautiful posterior wall that complements its overall design.
   这座新建筑拥有美丽的后墙，与整体设计相得益彰。
3. 3.The interior designer wanted to add some personality to the room by adding a contrasting posterior wall.
   室内设计师想通过添加一个对比鲜明的后墙来给房间增添一些个性。