A group of more than 1,000 islands off southeast Alaska. The rugged, heavily forested islands are the exposed tops of submerged coastal mountains that rise steeply from the Pacific Ocean.亚历山大群岛：阿拉斯加东南海中由一千多个岛屿组成的群岛。这些崎岖不平且被茂密森林覆盖的岛屿是从太平洋中急遽升起的被淹海岸山脉露出的顶峰