GbEng
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 of hydrogen under high pressure and in the presence of a catalyst.
他学习上进步很快。 He made rapid progress in his studies.
这个学生学习上进步很快。 The student is showing rapid progress in his studies.
我希望我们之间的贸易将在平等互利的基础上进一步发展。 I hope the trade between us will be further developed on the basis of equality and mutual benefit.