nitrogen
'naitrәdʒәn
基本解释
n. 氮
[化] 氮N-2
英文释义
n. a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
词形变化
上一个单词：nitrogelatin
下一个单词：nitrogen acid anhydride