氧yǎnɡ {化} （气体元素） oxygen (O): ～ 的直接测定法 direct determination of oxygen
◆氧点 oxygen point; 氧电极 oxygen electrode; 氧分子 oxygen molecule; 氧含量 oxygen content; 氧化 {化} oxidize; oxidate; oxide; burning; rust; oxygenize; oxido-; oxy-; 氧化合物 oxygen compound; 氧化物 oxide; oxyde; oxidizing material; oxidate; 氧气 {化} oxygen; oxygen gas; 氧炔 oxycetylene; acetylene; oxyacetylene; 氧同位素 oxygen isotope; 氧原子 oxygen atom; 氧中毒 oxygen poisoning 氧oxygen
氧oxygen(O) 氧oxygen
缺～ lack oxygen/液态～ liquid oxygen /二～化物dioxide/～化oxidize;oxidate/～化物oxide/～化铀uranium oxide |