侵蚀作用 qīnshízuòyòng erosion Origin Definitions Defs Strokes Stroke Words Sentences Sents 侵蚀 侵蝕 qīnshí to erode to wear away gradually by natural forces (wind, water) or chemical action; to corrode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"