Read Edit View history 冲积层 chōngjīcéng alluvium Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 冲积层/沖積層 · chōngjīcéng · alluvium 2026/03/04 冲积层 / 沖積層 chōngjīcéng alluvium alluvial deposit or layer of sedimentary material such as clay, silt, sand, or gravel left by flowing water 这里的土壤主要由厚厚的冲积层构成。 created sense Mar 4, 2026, 02:25 AM