secure multipurpose internet mail extension

英 [secure multipurpose internet mail extension]
美 [secure multipurpose internet mail extension]

中文释义

安全多功能网际网路邮件延伸

单词分析

单词结构：

secure multipurpose internet mail extension

字母数：43

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🎯 重点记忆：

  • 单词拼写：secure multipurpose internet mail extension
  • 核心含义：安全多功能网际网路邮件延伸

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更新时间：2026-03-21 21:26:06