n.any unsaturated aliphatic hydrocarbon

同義詞：olefineolefin

1. Alkenes are highly reactive because of their double bonds, and they readily undergo addition reactions.
   烯烴由于含有雙鍵，具有很高的反應(yīng)性，容易發(fā)生加成反應(yīng)。
2. Ethene and propene are two common alkenes used in the production of plastics.
   乙烯和丙烯是常見(jiàn)的烯烴，廣泛用于塑料的生產(chǎn)。
3. Alkenes can be converted into alcohols through hydroboration-oxidation reactions.
   烯烴可以通過(guò)硼氫化-氧化反應(yīng)轉(zhuǎn)化為醇。
4. The polymerization of alkenes like ethene produces materials such as polyethylene.
   像乙烯這樣的烯烴的聚合反應(yīng)生成了像聚乙烯這樣的材料。