短语词组短語glacial valley lake 冰蝕穀湖;冰穀湖glacial marginal lake 冰緣湖glacial scour lake 冰蝕湖glacial -lake outlet 冰川湖出口glacial erosion lake [地理][水文]冰蝕湖glacial step lake 冰川梯級湖glacial boulder lake 冰川湖Deposit glacial -lake 冰河湖積土 返回 glacial lake