nitrogen

['naitrədʒən]

n.氮

例句与用法：

Air consists chiefly of nitrogen.

空气主要由氮气组成。

If it were not for oxygen and nitrogen in the air, no man could live on the earth.

大气中如果没有氧和氮，人就无法生存于地球了。

The lamp is full of gaseous nitrogen.

灯里充满了气体氮。

Nitrogen forms most of the Earth's air.

地球上空气的大部分成分是氮气。

词形变化：

形容词: nitrogenous | 简写符号: N |

详细释义：

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。