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stilpnomelane

/stɪlpnəʊ'melæn/

📖 中文释义

  1. 黑硬绿泥石
📘 English Definition（英文释义）
  1. n. A black or greenish black mineral occurring in
  2. foliated flates, also in velvety bronze-colored incrustations. It is a
  3. hydrous silicate of iron and alumina.
S 字母词表