mammalian       
adjective  biology specialized uk/məˈmeɪ.li.ən/ us/məˈmeɪ.li.ən/
 哺乳动物的
relating to mammals (= animals whose female feeds her young on milk from her own body)
  mammalian evolution 哺乳动物的进化 
 mammalian species 哺乳动物的物种 
 See: mammal
 - More examples
 - Research is revealing that all mammalian influenza strains originate in aquatic birds.
 - Some of the world's best mammalian fossil sites are also the world's worst places to work.
 - He is an expert on mammalian extinctions.