black corundum

英 [black corundum]
美 [black corundum]

中文释义

黑刚玉

单词分析

单词结构：

black corundum

字母数：14

记忆提示

🎯 重点记忆：

  • 单词拼写：black corundum
  • 核心含义：黑刚玉

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更新时间：2026-04-18 02:18:18