hydrogen 英式发音['haɪdrədʒ(ə)n]美式发音['haɪdrədʒən]
hydrogen相关例句和用法
Water contains hydrogen and oxygen..水含有氢和氧。
hydrogen英英释义
[化学] 氢英释nnHydrogen is a colourless gas that is the lightest and commonest element in the universe
hydrogen短语
hydrogen peroxide,过氧化氢.短语
