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单词 dells
释义

dells


dells

D0114300 (dĕlz)pl.n. The rapids of a river.
[Alteration of dalles (influenced by dell).]

Dells


Dells

 

flat, elongated channelless hollows that have no constant flow of water. Their lengths range from 10 m to more than 1,000 m. They are formed by the combined action of occasional shortterm flows of water, which periodically deepen the valley profile of dells, and the slow, descending movements of the weathering surface materials, which fill in the profile.

DELLS


AcronymDefinition
DELLSDepartment of Education Lifelong Learning and Skills (UK; now known asDepartment for Education, Culture and Welsh Language (DECWL))
ThesaurusSeedell
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更新时间:2024/11/14 22:28:05