plain old telephone system

英 [plain old telephone system]
美 [plain old telephone system]

中文释义

老电话系统

单词分析

单词结构：

plain old telephone system

字母数：26

记忆提示

🎯 重点记忆：

  • 单词拼写：plain old telephone system
  • 核心含义：老电话系统

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更新时间：2026-01-31 17:33:12