Oka River中文,Oka River的意思,Oka River翻译及用法 2026-10-18 04:23 浏览次数 46 Oka RiverThe Oka (, ) is a river in Siberia, left tributary of the Angara River. It originates in the Sayan Mountains in western Buryatia and flows through Irkutsk Oblast.