单词音标:【音标】 ['naitr?d??n] 汉语翻译n. 氮 【化】 氮N-2 【医】 氮(7号元素)词型变化:形容词:nitrogenous 简写符号:N 英语解释: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
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。 - Nitrogen forms most of the Earth's air.
地球上空气的大部分成分是氮气。
详细解释: ni.tro.gen n.Symbol N (名词)符号 N A nonmetallic element that constitutes nearly four fifths of the air by volume, occurring as a colorless, odorless, almost inert diatomic gas, N2, in various minerals and in all proteins and used in a wide variety of important manufactures, including ammonia, nitric acid, * , and fertilizers. Atomic number 7; atomic weight 4.00'7; melting point -209.8'=C; boiling point -95.8=C; valence 3, 5. See table at element 氮:一种非金属元素,按体积计算约占空气的五分之四,是一种无色、无味几乎为惰性的双原子气体,N2,存在于各种矿物和所有的蛋白质中,广泛地运用于各种重要的生产中包括生产氨酸、硝酸、黄色 * 以及化肥。原子序数7;原子量4.00'7;熔点-209.8'°C;沸点-95.8°C;化合价3,5 参见 element 来源:French nitrogène 法语 nitrogène nitro- [nitric acid] from New Latin * see nitro- nitro- [硝酸] 源自 现代拉丁语 *参见 nitro--gène [-gen] -gène [生,被生] 【引伸】 nitrog.enous
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