单词	nitrogen
释义	English American nitrogennoun [ U ] uk/ˈnaɪ.trə.dʒən/us/ˈnaɪ.trə.dʒən/symbol N a chemical element that is a gas with no colour or taste, forms most of the earth's atmosphere, and is a part of all living things Thesaurus: synonyms and related words Chemical elements alkali metal antimony calcium carbonic carbonic acid cesium cl graphene lithium nickel plutonium quicksilver selenium sodium strontium sulphur transition metal urea vanadium zinc See more results » Examples from literature A plant doesn’t know whether the nitrogen it receives comes from manure or is artificial. nitrogennoun [ U ] us/ˈnɑɪ·trə·dʒən/ biology, chemistry a gas, one of the chemical elements, that has no color or taste, is a part of all living things, and forms about 78 percent of the earth’s atmosphere (= mixture of gases surrounding it)
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