基本解釋[地球科學(xué)]冰河懸谷冰成懸谷詞組短語短語glacial boulder hanging valley 冰蝕懸谷hanging glacial valley 懸冰川谷glacial hanging valley更多詞組專業(yè)釋義地球科學(xué)冰河懸谷冰成懸谷