So in 1235, Genghis's son, Ogodei, began building a city near the Orkhon River, on the wide-open plains.

因此，在1235年，成吉思汗的儿子，窝阔台，开始在鄂尔浑河附近的一块开阔平原建造城市。

youdao

They were first active in the Selenga and Orkhon river basins, and later moved to the north of the Tura river.

最初活动于色楞格河和鄂尔浑河流域，后迁居土拉河北。

youdao

They were first active in the Selenga and Orkhon river basins, and later moved to the north of the Tura river.

最初活动于色楞格河和鄂尔浑河流域，后迁居土拉河北。

youdao