O字開(kāi)頭的單詞或詞組
ohmicon the houseovereatonlookeroutside loopoverrateorthogonaloutnumberout of the worldoffer priceousteroutput poweroverkilloverallson the telephoneogiveout of dangeron tapoxidationorange juiceob-ordealOEMon the shelfon the increaseon the edge ofO-leveloryxoximeteror somethingoccupantorioleoff-trackophthalm-oddlyoutward-boundomnibusoboeorder fromoff seasonone dayObs



















