nitrogen dioxide

短语

[化] 二氧化氮 [医] 二氧化氮

释义与例句

n.
  1. 1.

    The binary compound NO₂, a brownish gas that is a poisonous air pollutant; it exists in equilibrium with dinitrogen tetroxide. It can be the poisonous result of a nitric acid spill contacting ambient air.

    二氧化氮

    不可数 化学

词汇关系

名词

上位词 2