O字开头的单词或词组
overweightobliqueout of placeoutplayon Mondayobverseorganizeron the lineoilyoutcomeoblivionoutlawoozeonloadovertout of workopacityOEDopeningOvidoreowover hereout of sightosteoporosisOxfordobsidianorderlyOsloorphanageoptimistoverflowingoverestimateoverpassoncologyorganisationopposedoxytocinOttawaon the wholeoozyout of time
