Read Edit View history 物竞天择 wùjìngtiānzé natural selection Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 物竞天择/ 物競天擇 wùjìngtiānzé natural selection expression 物竞天择，适者生存是自然界的法则。 Edit Delete References Add reference No references for this word.