柯林斯词典alkane /ˈælkeɪn/ 1. N any saturated aliphatic hydrocarbon with the general formula CH 烷烃2. N (as modifier) 烷烃的 alkane series 返回 alkane剑桥词典any gas in a group that contains only carbon and hydrogen atoms , with the carbon atoms joined together in a simple chain 链烷，烷烃（单链链接碳氢化合物） Alkanes, such as butane and methane , are very flammable . 丁烷，甲烷等烷烃均为易燃物品。 返回 alkane