toll telephone exchange

英 [toll telephone exchange]
美 [toll telephone exchange]

中文释义

长途电话交换局

单词分析

单词结构：

toll telephone exchange

字母数：23

记忆提示

🎯 重点记忆：

  • 单词拼写：toll telephone exchange
  • 核心含义：长途电话交换局

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更新时间：2026-02-21 06:38:06