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单词 desert pavement
释义

Definition of desert pavement in English:

desert pavement

noun
Geology
  • A surface layer of closely packed or cemented pebbles, rock fragments, etc., from which fine material has been removed by the wind in arid regions.

    Example sentencesExamples
    • When this happens, the area that is affected in known as a desert pavement.
    • On some of the surfaces high above the valley floors, delicate volcanic ash deposits, some as old as 13.6 million years, lie just beneath the desert pavement - the loose rock and gravel too heavy for the wind to have blown away.
    • The stones in a desert pavement are usually about halfway embedded in the soil surface, with only their upper surfaces exposed, and are fairly tightly held in place.
    • Low mounds of silty soil pocked the stony desert pavement like so many frost-heaved ‘boils’ in an Arctic coastal plain.
    • Broad expanses of desert pavement, a delicate carpet of pebbles on which a footprint will remain for decades, often detour us.
 
 

Definition of desert pavement in US English:

desert pavement

nounˌdezərt ˈpāvmənt
Geology
  • A surface layer of closely packed or cemented pebbles, rock fragments, etc., from which fine material has been removed by the wind in arid regions.

    Example sentencesExamples
    • The stones in a desert pavement are usually about halfway embedded in the soil surface, with only their upper surfaces exposed, and are fairly tightly held in place.
    • On some of the surfaces high above the valley floors, delicate volcanic ash deposits, some as old as 13.6 million years, lie just beneath the desert pavement - the loose rock and gravel too heavy for the wind to have blown away.
    • Low mounds of silty soil pocked the stony desert pavement like so many frost-heaved ‘boils’ in an Arctic coastal plain.
    • When this happens, the area that is affected in known as a desert pavement.
    • Broad expanses of desert pavement, a delicate carpet of pebbles on which a footprint will remain for decades, often detour us.
 
 
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更新时间:2024/12/24 10:20:11