冲积层 / 沖積層

chōng​jī​céng

alluvium

alluvial deposit or stratum; a layer of loose soil or sediment formed by running water during the last 10,000 years

冲积 (literal) → 冲积/沖積 · chōng​jī · alluviate; alluviation 层 (literal) → 层/層 · céng · layer

Changed: simplified, traditional, gloss, definition, pinyin, variant pinyin, variants, separable parts, decomposition

created sense May 20, 2026, 07:57 PM