appear out of the blue

[appear out of the blue]
[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

记忆提示

🎯 重点记忆:

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