STD (subscriber trunk dialing)

[STD (subscriber trunk dialing)]
[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

记忆提示

🎯 重点记忆:

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