淀积作用 diànjīzuòyòng illuviation Definitions Defs Origin Strokes Stroke Words Sentences Sents 淀积 澱積 diànjī to illuviate to deposit soil or mineral material in a lower layer of soil through the action of water作用 zuòyòng noun function the natural purpose or activity of something, such as a biological or chemical process; often used as a suffix to mean "-ation" or "-ing" as in 消化 xiāohuà plus this word for "digestion"
