名词中文翻译
中文翻译：氮气
同义词：
['nitrogen', 'nitrogen gas']
例句：
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1. The atmosphere is mainly composed of nitrogen and oxygen.
大气主要由氮气和氧气组成。
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2. Nitrogen is a common element in the earth's crust.
氮是地球地壳中常见的元素。
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3. Nitrogen fertilizers are widely used to improve soil quality.
氮肥广泛用于改善土壤质量。