| 释义 |
guardrail
\ˈ ̷ ̷ˌ ̷ ̷\ noun
1. : a railing for guarding against danger or trespass
2. : a timber bolted outside a ship along the plank-sheer to act as a fender
3. : a rail placed on the inside of a main rail (as on a bridge or a curve or at a switch) as a safeguard against derailment |