guardrail的复数形式怎么拼写

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.Their car crashed into a guard...

guardrail的音标：guardrail的英式发音音标为：['gɑ:dreɪl]guardrail的美式发音音标为：['ɡɑrdˌrel]...

n.栏杆，护轨，护栏...