基本解释[經濟學]溴代十四烷词组短语短語bromotetradecane e 溴代十四烷1 -Bromotetradecane-d29 溴代十四烷2 -Bromotetradecane 溴十四烷bromotetradecane更多词组专业释义經濟學溴代十四烷