Donets
/dəˈnets/- a river in eastern Europe, rising near Belgorod in southern Russia and flowing south-eastwards for some 1,000 km (630 miles) through Ukraine before re-entering Russia and joining the Don near Rostov顿涅茨河（东欧一河流, 发源于俄罗斯南部别尔哥罗德附近, 向东南方向流大约1,000公里, 即630英里, 经乌克兰重新进入俄罗斯境内, 并在罗斯托夫附近汇入顿河）。