片语
glacial valley lake冰蚀谷湖
glacial boulder carved valley冰蚀谷
glacial carved valley冰蚀谷
glacial valley floor step冰谷阶
glacial boulder valley冰蚀谷
glacial boulder hanging valley冰蚀悬谷
hanging glacial valley悬冰川谷
glacial hanging valley冰蚀悬谷
glacial boulder valley debris冰川谷巖屑