drum·lin 
(drŭmlĭn)
(drŭmlĭn)n.
An elongated hill or ridge of glacial drift.
[From drum, ridge, from Irish Gaelic druim, back, ridge, from Old Irish.]
drumlin
| 单词 | drumlin |
| 释义 | drum·lin (drŭmlĭn)n. An elongated hill or ridge of glacial drift. [From drum, ridge, from Irish Gaelic druim, back, ridge, from Old Irish.] drumlin |
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