O字開頭的單詞或詞組
outrageousor soortorderedobverseOvidobedientoptimaloxenout of sightOEDoftout of workout of placeoinkoutdooron the lineoppressopen-endedoffshoreobliqueon the weekendounceoutplayon Mondayopacityourselvesoperatoroffensiveon one's own termsoccurrenceopen one's mind toorganizeroverdriveoffenseoozeout of the wayoxytocinorganisationoysterobservantoffice