Nitrogen makes up the major portion of the atmosphere (78.03% by volume, 75.5% by weight). Gaseous nitrogen is inert, colorless, odorless, tasteless, nontoxic, non corrosive, and nonflammable.是什么意思_Nitrogen makes up the major portion of the atmosphere (78.03% by volume, 75.5% by weight). Gaseous nitrogen is inert, colorless, odorless, tasteless, nontoxic, non corrosive, and nonflammable.在线翻译_英语_读音_用法_例句