[U]〈化〉氮 a gas that is a simple substance, without color or smell, that forms most of the Earth's air
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
双语例句
1. The atmosphere consist of more than 70 % of nitrogen.
大气中含有70%以上的氮气.
来自《简明英汉词典》
2. Every tonne of coal contains, on average, 30 kilograms of nitrogen.
每吨煤平均含30公斤氮.
来自《简明英汉词典》
3. The plant requires nitrogen in order to make proteins.
植物需要氮以便制造蛋白质.
来自《现代汉英综合大词典》
4. What is the percentage of nitrogen in air?
空气中所含的氮的比例是多少?
来自《简明英汉词典》
5. Nitrogen is a gas without colour or smell.
氮是一种无色无臭的气体.
来自《简明英汉词典》
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。
用作名词 (n.)
Nitrogen is a gas without color or smell. 氮是一种无色无臭的气体。
