回春作用 huíchūnzuòyòng rejuvenation Definitions Defs Origin Strokes Stroke Words Sentences Sents 回春 huíchūn return of spring The arrival of spring as winter passes; the rejuvenation of nature.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"