drumlin

名词 drumlin:

1. a mound of glacial drift

drum.lin

n.（名词）
An elongated hill or ridge of glacial drift.
鼓丘：长形小山或冰碛丘

来源：
From drum [ridge]
源自 drum [山脊]
from Irish Gaelic druim [back, ridge]
源自 爱尔兰盖尔语 druim [背，脊]
from Old Irish
源自 古爱尔兰语