松辽平原 (松遼平原) sōngliáo píngyuán

sōngliáo píngyuán proper noun Songliao plain
Domain: Places 地方 , Subdomain: China , Concept: City 城市
Notes: Also called 东北平原 (CC-CEDICT '松遼平原'; Guoyu '松遼平原')