| 释义 |
氢气 qīng qì ★★☆☆☆n.名词⁰·⁰⁰³⁷ᴾᵃ³⁴⁸³
基本例句
hydrogenhydrogeniuminflammable air繁体氫氣我认为氢气能被制成一种金属是不可能的。I think it impossible thathydrogencan ever be made into a metal.
氢化裂解将石油的含氢分子分裂成更简单的分子象汽油和煤油的分子的过程，此分裂过程是在加催化剂及高压氢气的条件上进行的A process by which the hydrocarbon molecules of petroleum are broken into simpler molecules, as of gasoline or kerosene, by the addition ofhydrogenunder high pressure and in the presence of a catalyst. |