基本解释n.洪積層adj.洪積層的(大洪水的)同根派生 diluvian相关词英汉例句The north is the alluvial plain of Huanghe, the Quaternary deposition is diluvian sand and soil . 中部爲山前傾斜平原區，第四系厚度從南曏北變厚，第四系爲沖洪積形成的粘性土，下部基巖爲奧陶系灰巖和第三系巖漿巖；Diluvi 迪盧維diluvian更多例句