guardrail
n. 护栏
近义词：handrail，rail，banister，railing，paling，balustrade，safetyrail，
英英释义
Noun
- a railing placed alongside a stairway or road for safety
例句
用作名词(n.)
- Their car crashed into a guardrail.他们的车撞上护栏。
- A new guardrail was constructed in honor of the three lives lost.为缅怀这三个人，人们修了一段护栏。