基本解釋[地球科學(xué)]冰河懸穀冰成懸穀詞組短語(yǔ)短語(yǔ)glacial boulder hanging valley 冰蝕懸穀hanging glacial valley 懸冰川穀glacial hanging valley更多詞組專業(yè)釋義地球科學(xué)冰河懸穀冰成懸穀