public switched telephone system

英 [public switched telephone system]
美 [public switched telephone system]

中文释义

公众交换电话系统

单词分析

单词结构：

public switched telephone system

字母数：32

记忆提示

🎯 重点记忆：

  • 单词拼写：public switched telephone system
  • 核心含义：公众交换电话系统

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更新时间：2025-12-11 07:10:23