環渤海灣地區 [ㄏㄨㄢˊ ㄅㄛˊ ㄏㄞˇ ㄨㄢ ㄉㄧˋ ㄑㄩ; huan2 bo2 hai3 wan1 di4 qu1] Bohai Economic Circle (economic region including Beijing, Tianjin, Hebei, Liaoning and Shandong) ◄ ►