| 释义 |
Related topics: Geographyal·lu·vi·um /əˈluːviəm/ noun [uncountable] technical SGsoil left by rivers, lakes, floods etc 冲积层；冲积土Examples from the Corpusalluvium• The soils are developed on marine or estuarine alluvium found between the normal high-water mark and the limit of highest spring tides.• The soils are developed on freshwater alluvium.• Using open cut excavation where possible, Nuttall has moved about 26,000 cu m of alluvium and gravel.• Usually floodplains are not veneers of alluvium explicable by lateral channel movements, but considerable thicknesses smoothing over more complex relief.Origin alluvium (1600-1700) Late Latin Latin alluere, from ad- “against” + lavare “to wash”al·lu·vi·um nounChineseSyllable floods soil etc by lakes, rivers, Corpus left |