O字开头的单词或词组
Ov.obstructingoastoathsoff-dayobject-orientedout of tuneOLEostracismoverall gainofferororthographicopiateodd jobsopen an accountocarinaoropharynxouterwearon the fireopenlyoffer a rewardouter spaceoutspeakomniscientonce too oftenoperating roomOMPoutburstOEMoffer sheetoleumoutshineoseoccidentone dayon the squareoccludeoutpouringoncomingoxy-optimizeroligopoly