olefination

例句：

1. 1. 氧化
   化学术语
2. 1. The process of oxidation is crucial in the formation of compounds.
   氧化过程在化合物的形成中至关重要。
3. 2.The oxidation of iron to rust is a natural process that occurs over time.
   铁的氧化变成锈是一个自然过程，随着时间的推移发生。
4. 3. The oxidation of organic compounds can lead to the formation of new substances.
   有机化合物的氧化可以导致新物质的形成。