nitrogen中文解释
n,[化学]氮,同近 n,[化学]氮,同近的英语怎么说
nitrogen例句Well, we know nitrogen has what?.对于氮气我们知道什么？
nitrogen英语解释[化学] 氮英释nna gas that has no colour or smell, and that forms most of the Earth’s air. It is a chemical element: symbol N
nitrogen短语和解释ammonia nitrogen,氨氮；氨型氮，氨基氮.短语
