单词	biconical disk
释义	biconical disk n.双锥形圆盘
随便看	happenest happeneth happen frequently happen historically happenin happenin' happen in happen in a particular manner happening happen-ing Happening actualities happening along happening and development Happening Art Happening at the same time as something else happening by Happening by accident or chance happening color Happening,done,or appearing every three weeks Happening, done, or appearing every three weeks happeningest Happening every second year Happening every two months Happening every two weeks Happening every two years