Drumlin
01
鼓丘, 由冰川作用形成的流线型细长山丘
a streamlined, elongated hill formed by glacial action, with a teardrop shape and the steeper end facing the direction of ice movement
例子
The teardrop-shaped drumlin indicated the past movement of the glacier from the northwest.
泪滴状的冰碛丘表明了冰川过去从西北方向的移动。
