sound-powered telephone system

[sound-powered telephone system]
[sound-powered telephone system]

中文释义

声力电话系统

单词分析

单词结构:

sound-powered telephone system

字母数:30

记忆提示

🎯 重点记忆:

  • 单词拼写:sound-powered telephone system
  • 核心含义:声力电话系统