noun🔗Share沖積層A deposition of sediment over a long period of time by a river; an alluvial layer."The fertile valley floor consists of rich alluvial, perfect for growing crops. "肥沃な谷底は、作物の栽培に最適な豊かな沖積層で構成されています。geologyenvironmentgeographyChat with AIVocabulary GamePractice Reading
noun🔗Share沖積土Alluvial soil; specifically, in Australia, gold-bearing alluvial soil."After the heavy rains, prospectors searched the riverbed for alluvial, hoping to find traces of gold. "大雨の後、探鉱者は金の痕跡を見つけようと、沖積土のある川底を捜索した。geologygeographyagricultureenvironmentChat with AIVocabulary GamePractice Reading
adjective🔗Share沖積土の、沖積性のPertaining to the soil deposited by a stream."The farmer planted his crops in the rich alluvial soil along the riverbank. "農夫は、川岸沿いの豊かな沖積土に作物を植えました。geologyenvironmentgeographyagricultureChat with AIVocabulary GamePractice Reading