a gas that is a simple substance, without color or smell, that forms most of the Earth's air
详尽释义
n.
名词
【化】氮气，氮（元素符号N）
英英释义
Noun:
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
例句
用作名词 (n.)
Air consists chiefly of nitrogen. 空气主要由氮气组成。
The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
Nitrogen is a gas without colour or smell. 氮是一种无色无臭的气体。
Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
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。
常见句型
用作名词 (n.)
Nitrogen is a gas without color or smell. 氮是一种无色无臭的气体。
美
['naɪtrədʒən]
