arch open cut tunnel

英 [arch open cut tunnel]
美 [arch open cut tunnel]

中文释义

拱形明洞

单词分析

单词结构：

arch open cut tunnel

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：arch open cut tunnel
  • 核心含义：拱形明洞

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更新时间：2026-02-03 15:35:54