O字开头的单词或词组
over alloysterout of breathoverweighton businessobiopen the door toon balanceout of timeon top ofosmanthuson footoilOhioonsetostrichoutlookout of orderoblivionosteoporosisorderlyon the wholeOslooptimistofferingoreohmowingon the tableoraoatsover hereoozyoutlawoutwardover and overone-shotokraoxymoronoverturnoncologyoriginal design
