nitrogen ['naitrədʒən]

n.
[化]氮

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单词 nitrogen 网络释义

名词 n.
1.【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。

单词 nitrogen 其它相关

单词解释
n. 氮
gas without color,taste or smell, forming about four fifths of th air
相关例句
Nitrogen forms four-fifths of the atmosphere.
　 氮气占空气的五分之四。
同义反义

单词 nitrogen 其它例句

- 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。