double-head rail

英 [double-head rail]
美 [double-head rail]

中文释义

双头轨

单词分析

单词结构：

double-head rail

字母数：16

记忆提示

🎯 重点记忆：

  • 单词拼写：double-head rail
  • 核心含义： 双头轨

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更新时间：2026-02-20 15:28:32