O字开头的单词或词组
One man's meat is another man's poisonomeletteOsirisoxycodoneordainon the benchorallyoptical driveon one's own accountopen onobliterateOrmosiaon the flyon consignmentOCRopiateoverheatoperandon-timeobservableoil pumpoil spilloakumoverdrawon...basisoofold-timeoff the cuffomniscientorder formOSFolioowner's capitalOPD.ozone layerout of boundsonce for allother oneout of stepon the airoutstretchOrientalism
