crash barrier
英 [ˈkræʃ bæriə(r)]
美 [ˈkræʃ bæriər]
n. (高速公路或州际公路上的)防撞护栏，防撞墙
牛津词典
noun
- （高速公路或州际公路上的）防撞护栏，防撞墙
a strong low fence or wall at the side of a road or between the two halves of a major road such as a motorway or interstate
柯林斯词典
- (高速公路上的)防撞护栏，防撞墙
Acrash barrieris a strong low fence built along the side of a road or between the two halves of a motorway in order to prevent accidents.
in AM, use 美国英语用 guardrail
英英释义
noun
- a strong protective barrier that is erected around a racetrack or in the middle of a dual-lane highway in order to reduce the likelihood of severe accidents