V2EX parasites

Parasites

定义 Definition

“parasites”是 parasite(寄生虫/寄生生物) 的复数,指依附在其他生物(宿主)身上生活、从宿主获取营养并通常对宿主造成损害的生物;在引申义中也可指“靠他人供养、占便宜的人”(略带贬义)。

发音 Pronunciation

/prsats/

例句 Examples

Parasites can make pets sick if they aren’t treated.
如果不治疗,寄生虫会让宠物生病。

Some parasites change their host’s behavior to improve their own chances of survival.
一些寄生生物会改变宿主的行为,以提高自身的生存机会。

词源 Etymology

来自希腊语 parasitos,意为“在别人餐桌旁吃饭的人”(para- “在旁边” + sitos “食物”),先指“蹭饭者”,后来词义扩展到生物学中的“寄生者”,再进一步引申为“依赖他人牟利的人”。

相关词 Related Words

文学作品 Literary Works

  • Charles Darwin, On the Origin of Species:讨论自然选择与物种关系时多次提到寄生现象与“寄生者”。
  • Richard Dawkins, The Selfish Gene:在解释基因层面的竞争与策略时,经常以“寄生/寄生体”作比喻与例证。
  • Carl Zimmer, Parasite Rex:以大量案例系统讲述寄生生物的生态角色与对宿主的影响(偏科普写作)。
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