| 释义 |
guardrail美 [ˈɡɑrdˌreil] 英 ['gɑ:dreɪl] n. handrail,rail,banister,railing,paling n. | 1. a rail acting as a safety barrier at the side of a freeway, highway, road, or ship's deck 2. an additional rail laid close inside the main running rail on tight curves and at a junction to help a train's wheels stay on the track |
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