roof fall

英 [roof fall]
美 [roof fall]

中文释义

(隧洞等的)掉顶

单词分析

单词结构：

roof fall

字母数：9

记忆提示

🎯 重点记忆：

  • 单词拼写：roof fall
  • 核心含义：(隧洞等的)掉顶

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更新时间：2025-12-25 08:23:05