switched telephone network

英 [switched telephone network]
美 [switched telephone network]

中文释义

电话交换网

单词分析

单词结构：

switched telephone network

字母数：26

记忆提示

🎯 重点记忆：

  • 单词拼写：switched telephone network
  • 核心含义：电话交换网

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更新时间：2026-02-05 00:16:15