It gradually expanded in size, reaching to the Southern Ural Mountains and the Caspian Sea, and emerging as a dynastic state.

其领土逐渐扩大,延伸至乌拉尔山脉南端和里海,并发展成为王朝国家

耶鲁公开课 - 欧洲文明课程节选

The Russian empire, the state of Muscovy had already expanded greatly, but it's really Peter the Great, it's the big guy who expanded Russia, its territorial size enormously.

沙俄帝国在此之前已有大幅扩张,但是,是彼得大帝,是这个大家伙扩张了俄国领土,他统治下的沙俄幅员辽阔

耶鲁公开课 - 欧洲文明课程节选