fences

例句:

• They've torn down wooden fences and broken branches off trees.
  他们拆掉了木栅栏，并砍去了一些树枝。
  
• Key government buildings are boxed in by six-meter fences.
  来自VOA
• Conservatives largely favor better fences and stricter border enforcement.
  来自VOA
• These virtual fences prevented the mixing of the fauna.
  来自SA
• Young men climbed on buses and fences to get a better view.
  为了看得更清楚些，年轻人爬上了公共汽车和围墙。
  
• The youths are taught how to spray paint cars and mend fences.
  教授年轻人如何给汽车喷漆和修理护栏。