underground coal mining district

英 [underground coal mining district]
美 [underground coal mining district]

中文释义

井下采煤区

单词分析

单词结构：

underground coal mining district

字母数：32

记忆提示

🎯 重点记忆：

  • 单词拼写：underground coal mining district
  • 核心含义：井下采煤区

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更新时间：2026-04-24 01:24:52