Read Edit View history 利他行为 lìtāxíngwéi altruistic behavior Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 利他行为/ 利他行為 lìtāxíngwéi altruistic behavior 这种利他行为在动物界中并不少见。 Edit Delete References Add reference No references for this word.