secondary office

英 [secondary office]
美 [secondary office]

中文释义

二线交换局，从属局

单词分析

单词结构：

secondary office

字母数：16

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🎯 重点记忆：

  • 单词拼写：secondary office
  • 核心含义：二线交换局，从属局

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更新时间：2026-03-03 20:47:02