STD (subscriber trunk dialing)

英 [STD (subscriber trunk dialing)]
美 [STD (subscriber trunk dialing)]

中文释义

户干线拨号

单词分析

单词结构：

STD (subscriber trunk dialing)

字母数：30

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🎯 重点记忆：

  • 单词拼写：STD (subscriber trunk dialing)
  • 核心含义：户干线拨号

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更新时间：2026-03-25 07:45:31