V2EX even-toed ungulate

Even-Toed Ungulate

释义 Definition

偶蹄类有蹄动物:一类哺乳动物(生物分类上属“偶蹄目” Artiodactyla),其典型特征是脚的主要承重落在第3、4趾上(脚趾数多为偶数)。常见成员包括鹿、牛、羊、猪、骆驼、河马等。(在现代分类中,鲸类常与偶蹄类合并为“鲸偶蹄目”,但日常用法里该短语多指陆生的偶蹄动物。)

发音 Pronunciation (IPA)

/ivn tod jlt/

例句 Examples

Many farm animals, such as cows and sheep, are even-toed ungulates.
许多家畜(如牛和羊)都属于偶蹄类有蹄动物。

Fossil evidence suggests that early even-toed ungulates diversified rapidly as grasslands expanded.
化石证据表明,随着草原扩张,早期偶蹄类有蹄动物迅速发生了多样化。

词源 Etymology

even-toedeven(“偶数的”)+ toed(“有……脚趾的”)构成,描述“偶数脚趾、以两趾为主承重”的足部结构;ungulate 源自拉丁语 ungula(“蹄”),意为“有蹄的动物”。合起来就是“偶趾的有蹄动物”,对应生物学分类中的“偶蹄目”。

相关词 Related Words/h2>

文学与著作中的用例 Literary Works

  • Charles Darwin, On the Origin of Species(在讨论物种分化与分类时常涉及有蹄类/偶蹄类等动物类群的比较语境)
  • Richard Dawkins, The Ancestor’s Tale(以进化谱系讲述动物类群时常出现包括偶蹄类在内的分类术语)
  • Encyclopaedia Britannica(条目写作中常直接使用 even-toed ungulate 指代“偶蹄类”并介绍其特征与代表动物)
  • George Gaylord Simpson, The Meaning of Evolution(经典演化生物学科普著作,讨论哺乳动物演化与分类时常出现相关类群术语)
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