基本解释n.烷类；链烷烃名词alkane的复数形式.同根派生 alkanes相关词英汉例句用作名词 (n.)The effective length of carbon chain of alkanes was built up by using the polarizability effective index.利用极化效应指数，构造了链烷烃的有效碳链长度。alkanes更多例句