four track line

英 [four track line]
美 [four track line]

中文释义

双复线

单词分析

单词结构：

four track line

字母数：15

记忆提示

🎯 重点记忆：

  • 单词拼写：four track line
  • 核心含义：双复线

最近查询：

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更新时间：2026-03-16 00:42:30