black manganese

英 [black manganese]
美 [black manganese]

中文释义

黑锰矿

单词分析

单词结构：

black manganese

字母数：15

记忆提示

🎯 重点记忆：

  • 单词拼写：black manganese
  • 核心含义：黑锰矿

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更新时间：2026-01-07 02:30:22