nitrogen

中文意思

• n. 氮

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

复数

nitrogens

例句

1. n. 氮

   Nitrogen makes up about seventy-eight percent of the Earth's atmosphere.

   氮气约占地球大气层体积 me 78%。