guard rail
US /ˈɡɑːrd reɪl/
UK /ˈɡɑːrd reɪl/
1.
护栏, 防护栏
a barrier alongside a road, bridge, or other dangerous area to prevent vehicles or people from falling or straying
:
•
The car crashed into the guard rail on the highway.
汽车撞上了高速公路上的护栏。
•
Pedestrians should stay behind the guard rail for safety.
行人应留在护栏后面以确保安全。