短语词组短语glacial valley lake 冰蚀谷湖;冰谷湖glacial marginal lake 冰缘湖glacial scour lake 冰蚀湖glacial -lake outlet 冰川湖出口glacial erosion lake [地理][水文]冰蚀湖glacial step lake 冰川梯级湖glacial boulder lake 冰川湖Deposit glacial -lake 冰河湖积土 返回 glacial lake