自然淘汰 zìrántáotài natural selection Origin Definitions Defs Strokes Stroke Words Sentences Sents 自然 zìrán adjective natural Occurring in conformity with the ordinary course of nature; not artificial or man-made.淘汰 táotài verb to eliminate to eliminate through selection or competition; to weed out, phase out, or become obsolete (as of things, customs, or species)