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单词
guardrail
释义
WordReference Random House Unabridged Dictionary of American English © 2024
guard•rail
(gärd
′
rāl′),
USA pronunciation
n.
Also,
guard
′
rail′ing.
a protective railing, as along a road or stairway.
Rail Transport
a rail laid parallel to a track to prevent derailment or to keep derailed rolling stock from leaving the roadbed.
guard
+
rail
1
1825–35
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更新时间:2025/12/4 6:00:39