direct distance dialing

英 [direct distance dialing]
美 [direct distance dialing]

中文释义

[计] 长途自动电话; 长途直接拨号电话

单词分析

单词结构：

direct distance dialing

字母数：23

记忆提示

🎯 重点记忆：

  • 单词拼写：direct distance dialing
  • 核心含义：[计] 长途自动电话; 长途直接拨号电话

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更新时间：2026-02-01 01:54:49