溶蚀锅穴 potholes: 坑槽moulin potholes(glaual potholes): 冰川瓯穴bowls and potholes: 冰蚀碗与冰蚀地窝potholes res: 波特霍尔斯水库prairie potholes: 草原壶穴下载手机词典可随时随地查词查翻译