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polianite

/'pəʊlɪənaɪt/

📖 中文释义

  1. 黝锰矿; 软锰矿

🔗 释义中的汉语词

软锰矿
📘 English Definition（英文释义）
  1. n. Manganese dioxide, occurring in tetragonal crystals
  2. nearly as hard as quartz.
P 字母词表