V2EX mammal

Mammal

释义 Definition

mammal(哺乳动物):一类脊椎动物,通常具有毛发或皮毛,雌性用乳腺分泌乳汁哺育幼崽,且多为恒温动物。常见例子有人类、狗、鲸、蝙蝠等。(该词在不同语境下也可作形容词用,但最常用为名词。)

发音 Pronunciation (IPA)

/mml/

例句 Examples

A whale is a mammal.
鲸是哺乳动物。

Unlike reptiles, most mammals regulate their body temperature internally, which helps them survive in changing climates.
与爬行动物不同,大多数哺乳动物能在体内调节体温,这有助于它们在多变的气候中生存。

词源 Etymology

mammal 源自拉丁语 mamma(“乳房、乳汁”之意),强调“以乳哺育幼崽”的关键特征;该词在近代生物分类学发展过程中被用来指代这一动物类群。

相关词 Related Words

文学作品 Literary Works

  • On the Origin of Species Charles Darwin
  • Moby-Dick Herman Melville
  • The Voyage of the Beagle Charles Darwin
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