guard rail
noun /ˈɡɑːd reɪl/
/ˈɡɑːrd reɪl/
- a bar placed on the edge of a path, a boat, etc. to protect people and prevent them falling over the edge
Topics Transport by waterc2护栏;扶栏 - (North American English) (British English crash barrier)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
Topics Transport by car or lorryc2(高速公路或州际公路上的)防撞护栏,防撞墙