額爾古納河 [ㄜˊ ㄦˇ ㄍㄨˇ ㄋㄚˋ ㄏㄜˊ; e2 er3 gu3 na4 he2] Argun River of Mongolia and Heilongjiang province, tributary of Heilongjiang River 黑龍江[ㄏㄟ ㄌㄨㄥˊ ㄐㄧㄤ; hei1 long2 jiang1] ◄ ►