加氢的英文：
hydrogenation

Tracking Analysis of Changes in Resin Acid Composition During Catalytic Hydrogenation of Rosin
松香催化加氢过程中树脂酸组成变化的跟踪分析

The hydrogenation of olefins affords an example where both heterogeneous and homogeneous catalyses are effective
烯烃的加氢反应就是这样的一个例子，对它说来均相催化和多相催化都是有效的。

hydrogenated shortening
氢化酥油

Hydrogen has no colour no taste and no smell.
氢气无色、无味、无嗅。

Water is composed of hydrogen and oxygen.
水是由氢氧组成的。

Water contains hydrogen and oxygen.
水含有氢和氧。

Hydrogen and oxygen are gases.
氢和氧是气体。