基本解释n. [有化] 環烷词组短语短語cyclo -alkane series 環烷族cyclo o alkane 環烷cycloalkane更多词组英英字典柯林斯英英字典 any saturated hydrocarbon similar to an alkane but having a cyclic molecular structure and the general formula CH2 (Also called cycloparaffin)cycloalkane剑桥字典cycloalkane柯林斯字典专业释义經濟學環烷