safety of railway traffic

英 [safety of railway traffic]
美 [safety of railway traffic]

中文释义

铁路运输安全

单词分析

单词结构：

safety of railway traffic

字母数：25

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🎯 重点记忆：

  • 单词拼写：safety of railway traffic
  • 核心含义：铁路运输安全

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更新时间：2026-04-14 15:26:42