V2EX annelid

Annelid

Definition / 释义

annelid(名词):环节动物;指身体由许多相似的“环状体节”组成的一类动物门,常见如蚯蚓、沙蚕、水蛭等。(更广义分类学上也包括多毛类等)

Pronunciation / 发音

/nld/

Examples / 例句

An earthworm is an annelid.
蚯蚓是一种环节动物。

Because annelids have segmented bodies, scientists often use them to study how organs and nerves are organized along the length of an animal.
由于环节动物具有分节的身体结构,科学家常用它们来研究动物体内器官与神经如何沿身体长度方向分布与组织。

Etymology / 词源

来自拉丁语 annellus(“小环、小圈”,源自 annulus “环”)+ 英语后缀 -id(表示“……类的生物”)。字面含义就是“像小环一样分节的动物”,对应其身体的环状体节特征。

Related Words / 相关词

Literary Works / 文学与著作例证

  • Charles Darwin, The Formation of Vegetable Mould, through the Action of Worms(达尔文《蚯蚓的作用与植物腐殖土的形成》):讨论蚯蚓等环节动物对土壤形成的影响。
  • E. O. Wilson, The Diversity of Life(威尔逊《生命的多样性》):在介绍无脊椎动物多样性时会涉及环节动物类群。
  • Campbell Biology(《坎贝尔生物学》):常见权威生物学教材,在“动物多样性/无脊椎动物”章节中使用并解释 annelid
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