appear out of the blue

英 [appear out of the blue]
美 [appear out of the blue]

中文释义

[网络] 突然造访

单词分析

单词结构：

appear out of the blue

字母数：22

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🎯 重点记忆：

  • 单词拼写：appear out of the blue
  • 核心含义：[网络] 突然造访

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更新时间：2026-03-17 13:33:32