冲积平原 chōngjīpíngyuán alluvial plain Definitions Defs Origin Strokes Stroke Words Sentences Sents 冲积 沖積 chōngjī alluviate; alluviation to wash down and deposit sand, gravel, or soil in low-lying areas via water flow; the process or result of such deposition平原 píngyuán plain plain; flatlands; a broad and level area of land
