大湄公河次区域 Dà Méigōnghécìqūyù Greater Mekong Subregion Definitions Defs Origin Strokes Stroke Words Sentences Sents 大湄公河次区域合作 Dà Méigōnghécìqūyùhézuò GMS cooperation Greater Mekong Subregion (GMS), economic cooperation program between nations including China and Vietnam
