A constituent republic of western European U.S.S.R. on the Baltic Sea. It was incorporated into the U.S.S.R. in1940. Tallinn is the capital. Population,1, 530, 000.是什么意思_A constituent republic of western European U.S.S.R. on the Baltic Sea. It was incorporated into the U.S.S.R. in1940. Tallinn is the capital. Population,1, 530, 000.在线翻译_英语_读音_用法_例句