bell system teletypewriter exchange service

英 [bell system teletypewriter exchange service]
美 [bell system teletypewriter exchange service]

中文释义

贝尔系统电传打字机交换服务

单词分析

单词结构：

bell system teletypewriter exchange service

字母数：43

记忆提示

🎯 重点记忆：

  • 单词拼写：bell system teletypewriter exchange service
  • 核心含义：贝尔系统电传打字机交换服务

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更新时间：2026-02-06 07:39:08