guardrail [ˈɡɑrdˌrel]

例句:

• You'd need some kind of guardrail or cage.
  来自NEWYORKER
• The truck has not collided in the guardrail, the test succeeds.
  卡车没有撞过护栏, 试验成功.
  
• It is all around with iron wire, guardrail window and door.
  旅馆四周被带刺的铁线围着, 窗户和门口都有围栏.
  
• Highway guardrail, sports venues fence, the road network of green belt protection.
  高速公路护栏, 体育场所围网, 马路绿化带防护网.
  
• We could see where he'd gone through the guardrail.
  来自NEWYORKER
• He spotted something suspicious attached to the guardrail of a nearby bridge.
  来自WSJ