drumlin
/ˈdrʌmlɪn/noun
- Geology a low oval mound or small hill, typically one of a group, consisting of compacted boulder clay moulded by past glacial action【地质】鼓丘。
词源
mid 19th cent.: probably from DRUM2 + -lin from -LING.
| 单词 | drumlin |
| 释义 | drumlin/ˈdrʌmlɪn/noun
词源 mid 19th cent.: probably from |
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