nitrogen
美音:[´naıtrədʒən
]
英音:[´naıtrədʒən
]
n.氮
难易程度:
nitrogen为短语/超纲词汇
词频:6020
词形变化:
形容词:nitrogenous 简写符号:N
词根
gener＝to produce（制造；生产），race（种族） 变化型 gen，gent
nitrogen
/'naɪtrədʒən; `naɪtrədʒən/
n [U] chemical element, a gas without colour, taste or smell that forms about four-fifths of the atmosphere 氮. =>App
10 见附录10.
n [U] chemical element, a gas without colour, taste or smell that forms about four-fifths of the atmosphere 氮. =>App
10 见附录10.
nitrogen
n[U]
[Date: 1700-1800; Language: French;Origin: nitrogène, from nitre ( NITIC ACID) + -gène 'producing']
a gas that has no colour or smell, and that forms most of the Earth's air. It is a chemical element : symbol N
[Date: 1700-1800; Language: French;Origin: nitrogène, from nitre ( NITIC ACID) + -gène 'producing']
a gas that has no colour or smell, and that forms most of the Earth's air. It is a chemical element : symbol N
1. The Earth was formed about five billion years ago from a rotating, circular cloud of dust and gases such as hydrogen and nitrogen.
地球的形成约在50亿年前，起源于一团循环旋转的尘埃和诸如氢、氧之类的气体。
2. Nitrogen forms four-fifths of the atmosphere.
氮气占空气的五分之四。
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地球的形成约在50亿年前，起源于一团循环旋转的尘埃和诸如氢、氧之类的气体。
2. Nitrogen forms four-fifths of the atmosphere.
氮气占空气的五分之四。
更多句子>>>
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