crash barrier
noun [ C ] UK uk/ˈkræʃ ˌbær.i.ər/ us/ˈkræʃ ˌbær.i.ɚ/
（公路）防撞护栏，防护栏
a strong fence that separates the two sides of a large road or is built at a dangerous place at the edge of a road, to help prevent accidents
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。