mammals的翻译，读音
释义：
n. 哺乳类；哺乳纲；哺乳类动物（mammal的复数）
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
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