pierced wall

例句：

1. 1. The pierced wall is a symbol of the city's ancient history.
   穿孔的墙壁是这座城市古老历史的象征。
2. 2. The pierced wall was once a popular tourist attraction.
   穿孔的墙壁曾是一处受欢迎的旅游景点。
3. 3. The pierced wall has been restored to its original condition.
   穿孔的墙壁已经修复到原来的状态。