unstable roof

英 [unstable roof]
美 [unstable roof]

中文释义

不稳定顶板

单词分析

单词结构：

unstable roof

字母数：13

记忆提示

🎯 重点记忆：

  • 单词拼写：unstable roof
  • 核心含义：不稳定顶板

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更新时间：2025-12-28 00:42:06