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单词 guardrail
释义

WordReference Random House Unabridged Dictionary of American English © 2024
guard•rail  (gärdrāl′),USA pronunciation n. 
  1. Also, guardrail′ing. a protective railing, as along a road or stairway.
  2. Rail Transporta rail laid parallel to a track to prevent derailment or to keep derailed rolling stock from leaving the roadbed.
  • guard + rail1 1825–35

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更新时间:2025/7/23 8:52:46