An archipelago in the Baltic Sea at the entrance to the Gulf of Bothnia between Sweden and Finland.Colonized in the12th century by Swedes, the islands were ceded to Russia in1809and became part of Finland after World War I.是什么意思_An archipelago in the Baltic Sea at the entrance to the Gulf of Bothnia between Sweden and Finland.Colonized in the12th century by Swedes, the islands were ceded to Russia in1809and became part of Finland after World War I.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句