O字開頭的單詞或詞組
onlayon the flyon accountone-to-oneoverstockoddlyOxbridgeodiouson...basison the decreaseoverbearingoddnessopiumorderingon the mapon the roadOCRorallyon the other handoff dutyOPD.orchestrationosteoarthritisobliterateoverfishoversightonly toooncogeneowner's capitaloiledon viewon the benchoofon consignmentout of businessoutpaceopen fireonce for alloil pumpobituaryOrientalismoperation manager
