单词	alfin
释义	alfin adjective al·​fin ˈal-fən : of or relating to any of various catalysts made from sodium derivatives of alcohols (as isopropyl alcohol) and olefins (as propylene) and used in certain polymerizations (as of butadiene alone or with styrene and a high-viscosity oil) yielding synthetic rubbers Word History Etymology alcohol + olefin First Known Use 1947, in the meaning defined above
随便看	choreguses chorei choreic choreiform choreman choremen choreo- choreodrama choreograph choreographed choreographer choreographers choreographic choreographically choreographies choreographing choreographs choreography chorepiscopal chorepiscopi chorepiscopus chorepiscopuses chores choreus choreuses

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。