NB

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📖 中文释义

  1. 注意, 留心
  2. [医] 铌(41号元素)

🔗 释义中的汉语词

📘 English Definition(英文释义)
  1. n a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
  2. n a Latin phrase (or its abbreviation) used to indicate that special attention should be paid to something