出国 chūguó HSK2 to go abroad Origin Definitions Defs Strokes Stroke Words Sentences Sents 石油输出国组织 shíyóushūchūguózǔzhī OPEC Organization of the Petroleum Exporting Countries石油输出国家组织 shíyóushūchūguójiāzǔzhī OPEC Organization of the Petroleum Exporting Countries; an international organization founded in 1960 to coordinate petroleum policies among member nations