nitrogens
释义
(nitrogen 的复数) n. 氮
[化] 氮N-2
英文释义
plural of nitrogen
n. a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
词形变化
原型: nitrogen 原型变体: s
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