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一年一度的父亲节即将来临，每年的这个时候，互联网上有关父亲节的专题霎时间铺天盖地，有点让人应接不暇。 Most animals never see their parents! Some insects, fish,amphibians(两栖动物) andreptiles(爬行动物)hatch from fertilized eggs and face life completely alone. But we found some unusual animal dads. 雄性皇企鹅——为孵卵甘愿禁食 | 
