(noun.) a former empire in eastern Europe and northern Asia created in the 14th century with Moscow as the capital; powerful in the 17th and 18th centuries under Peter the Great and Catherine the Great when Saint Petersburg was the capital; overthrown by revolution in 1917.
(noun.) a federation in northeastern Europe and northern Asia; formerly Soviet Russia; since 1991 an independent state.
整理:雪莉
埃菲编辑