悬案 xuán'àn unresolved case Definitions Defs Origin Strokes Stroke Words Sentences Sents 中苏解决悬案大纲协定 Zhōng Sūjiějuéxuán'àndàgāngxiédìng Sino-Soviet treaty the treaty of 1923 normalizing relations between the Soviet Union and the Northern Warlord government of China
