nitrogen 详细解释

nitrogen

['naitrədʒən]

n.氮

n.

【化】氮[U]

Nitrogen forms about 78% of the earth's atmosphere.

氮约占地球大气的百分之七十八。

词形变化

形容词: nitrogenous | 简写符号: N |

词义辨析

同义参见:

air  

英英释义

名词 nitrogen:

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

同义词：N, atomic number 7

补充

nitrogennitrogen英:[ˈnaitrədʒən] 美:[ˈnaɪtrədʒən]n.1.〈化〉氮Nitrogen is a gas without colour or smell.氮是一种无色无臭的气体。

例句

1. nitrogen cycle氮循环

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