noun🔗Share沖積土、堆積物Soil, clay, silt or gravel deposited by flowing water, as it slows, in a river bed, delta, estuary or flood plain"The fertile farmland near the river is made up of rich alluvium deposited over centuries. "川の近くの肥沃な農地は、何世紀にもわたって堆積した豊かな沖積土で構成されています。geologyenvironmentgeographyagriculturematerialChat with AIVocabulary GamePractice Reading
