guard rail
US /ˈɡɑːrd reɪl/
UK /ˈɡɑːrd reɪl/
1.
護欄, 防護欄
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.
汽車撞上了高速公路上的護欄。
•
Pedestrians should stay behind the guard rail for safety.
行人應留在護欄後面以確保安全。