alkane
noun [ C ] chemistry specialized uk/ˈæl.keɪn/ us/ˈæl.keɪn/
链烷，烷烃（单链链接碳氢化合物）
any gas in a group that contains only carbon and hydrogen atoms, with the carbon atoms joined together in a simple chain
Alkanes, such as butane and methane, are very flammable. 丁烷，甲烷等烷烃均为易燃物品。