名词[化学] (气体元素) oxygen (o) 短语和例子氧的直接测定法 direct determination of oxygen氧┳, ┒: oxonium氧 气: dephlogisticated air; mox; oxygen氧,氧气: oxy氧-氧键: o-o bond; oxygen-oxygen bond氧o: oxygen下载手机词典可随时随地查词查翻译