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nitrogen noun

  /ˈnaɪ.tɹə.d͡ʒən/ , [ˈnɐɪtʰɹəd͡ʒən]
  • (uncountable) The chemical element (symbol N) with an atomic number of 7 and atomic weight of 14.0067. It is a colorless and odorless gas.
 窒素
nitrogen dioxide
二酸化窒素
liquid nitrogen
液体窒素
nitrogen cycle
窒素循環
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