A group of islands off southwest Alaska in the Bering Sea. First visited and named by a Russian explorer in 1786, they are noted as a breeding ground for seals.是什么意思_A group of islands off southwest Alaska in the Bering Sea. First visited and named by a Russian explorer in 1786, they are noted as a breeding ground for seals.在线翻译_英语_读音_用法_例句