单词esker
n.: 蛇形丘(由冰川融化后留下的沙砾和土形成的狭长脊)
网络: 蛇丘;蛇状丘;埃斯科公司
蛇形丘(由冰川融化后留下的沙砾和土形成的狭长脊):
a long narrow area of small stones and earth that has been left by a large mass of ice that has melted
【地质学;地理学】蛇形丘
冰河砂堆
长沙丘
蛇丘
复数:eskers
A New Kind of Glacial Landform: Mountain Glacier Esker
一种新型冰川地貌——山岳冰川型蛇形丘