RussiaKK [ˋrʌʃə] /ˈɹʌʃə/發音名詞1俄羅斯、俄國Russia is the largest country in the world by land area.按陸地面積計算,俄羅斯是世界上最大的國家。2沙俄、俄羅斯帝國歷史Russia was ruled by the tsars until the revolution of 1917.在一九一七年革命之前,俄國一直由沙皇統治。3蘇聯舊式,口語Many older people still call the whole Soviet Union Russia.許多老一輩的人仍把整個蘇聯稱為俄國。