mam·mal /ˈmæməl/
哺乳動物
mam·mal /ˈmæməl/ 名詞
哺乳動物
Mam·mal n.; pl. Mammals Zool. One of the Mammalia.
Age of mammals. See under Age, n., 8.
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mammal
n : any warm-blooded vertebrate having the skin more or less
covered with hair; young are born alive except for the
small subclass of monotremes and nourished with milk