| 单词 | guardrail |
| 释义 | guardrail 1 ENTRIES FOUND: plural guardrails plural guardrails Learner's definition of GUARDRAIL [count] 1 US : a strong metal bar along the side of a road that prevents vehicles from driving off the road（道路的）防撞护栏 — called also (British) crash barrier 2 : a strong bar or fence that prevents people from falling off a deck, bridge, etc.（船甲板、桥梁等的）护栏，栏杆 |
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