noun 下载 🔗分享 碳氢化合物,烃。 A compound consisting only of carbon and hydrogen atoms. Examples : "Gasoline is a hydrocarbon fuel used in many cars. " 汽油是一种碳氢燃料,很多汽车都在使用。 compound chemistry substance fuel energy material science 与AI对话词汇游戏阅读练习