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class mammalia

/klɑːs məˈmeɪliə/

翻译: 哺乳纲,是脊椎动物中一个分类纲,特征为恒温、有乳腺能分泌乳汁哺育幼崽、体表有毛发或毛皮,大脑具有新皮质。这是生物学中使用的科学分类。

1 个条目

phrase

/klɑːs məˈmeɪliə/C1formalscientific
  • zh哺乳纲,是脊椎动物中一个分类纲,特征为恒温、有乳腺能分泌乳汁哺育幼崽、体表有毛发或毛皮,大脑具有新皮质。这是生物学中使用的科学分类。

A taxonomic class of warm-blooded vertebrates characterized by the presence of mammary glands, hair or fur, and a neocortex region in the brain. This is a scientific classification used in biology.

  1. Class MammaliaC1formal

    A taxonomic class of warm-blooded vertebrates that have hair or fur, mammary glands for feeding their young, and a four-chambered heart.

    zh哺乳纲

    • Humans belong to the class Mammalia.
    • Dogs, cats, and whales are all members of class Mammalia.
    • The defining characteristic of class Mammalia is the presence of mammary glands.