英语词汇“guardrail”是什么意思，“guardrail”的读音、用法及例句翻译-烛光网

词汇	guardrail
释义	guard·rail AHD[gärdʹrāl'] D.J.[ˈgɑːdˌreɪl]K.K.[ˈgɑrdˌrel]n.（名词） A protective railing, as on a staircase or along a highway.护栏：楼梯或公路上的保护性栏杆
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