open-cast coal

英 [open-cast coal]
美 [open-cast coal]

中文释义

[经] 露天煤矿

单词分析

单词结构：

open-cast coal

字母数：14

记忆提示

🎯 重点记忆：

  • 单词拼写：open-cast coal
  • 核心含义：[经] 露天煤矿

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更新时间：2026-03-20 14:23:02