enclosure wall

例句：

1. 1. The enclosure wall was constructed to keep the animals in their designated areas.
   这个围墙是为了将动物限制在指定区域。
2. 2.The construction of the enclosure wall is a crucial step in the breeding process.
   建造围墙是繁殖过程中至关重要的一步。
3. 3.The enclosure wall serves as a barrier between the living area and the outside world.
   围墙作为生活区与外界之间的屏障。