围网

例句：

1. 1. The farmer used to keep his livestock in a large enclosure.
   这位农民过去经常用一个大围栏来圈养他的牲畜。
2. 2. The children were playing happily inthe open field without any enclosures.
   孩子们在开阔的田野里自由地玩耍，没有任何围栏。
3. 3. The old man wassitting by the fence, watching the sunset.
   那位老人坐在栅栏旁，看着日落。