基本解释[有化] 溴代烷词组短语短语-bromoalkane 溴代直链烷normal -bromoalkane 直链11 -Bromoalkane 溴代直链烷normal 1 -bromoalkane 直链溴烷烃bromoalkane更多词组专业释义化学溴代烷溴化烷基溴烷