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首页 > 英汉词典 > high-grade coal

high-grade coal

英 [high-grade coal]
美 [high-grade coal]

中文释义

质煤

单词分析

单词结构:

high-grade coal

字母数:15

记忆提示

🎯 重点记忆:

  • 单词拼写:high-grade coal
  • 核心含义:质煤

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更新时间:2026-01-18 11:13:37

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