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单词 nitrogen
释义

nitrogen

Word family nounnitrogenasenitrogenizationnitrogenverbnitrogenizeadjectivenitrogenous
Related topics: Elements
ni·tro·gen /ˈnaɪtrədʒən/ ●●○ noun [uncountableU]  
HCEHEa gas that has no colour or smell, and that forms most of the Earth’s air. It is a chemical element: symbol N 氮〔一种化学元素,符号为N
Examples from the Corpus
Origin nitrogen
(1700-1800) French nitrogène, from nitre (NITIC ACID) + -gène producing
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更新时间:2025/8/12 8:27:11