| 单词 | guardrail |
| 释义 | guardrail (gɑːʳdreɪl ) also guard rail Word forms: guardrails countable noun A guardrail is a railing that is placed along the edge of something such as a staircase, path, or boat, so that people can hold onto it or so that they do not fall over the edge. He called police to say he had struck a guardrail in a parking lot. |
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