V2EX paramecium

Paramecium

释义 Definition

草履虫:一种常见的单细胞纤毛原生生物,多生活在淡水中,靠周身纤毛运动并摄食微小颗粒或细菌(常用于生物学观察与实验)。也常泛指同类的草履虫属生物。

发音 Pronunciation (IPA)

/prmisim/

例句 Examples

A paramecium moves through water using tiny hairs called cilia.
草履虫用叫作纤毛的微小“毛”在水中移动。

Under the microscope, the paramecium’s rapid swimming and feeding behavior can be observed in real time.
在显微镜下,可以实时观察草履虫快速游动和摄食的行为。

词源 Etymology

paramecium 来自新拉丁语,源于希腊语词根:para-(旁、近)+ -mēkēs / mēkion(长的、形状延伸的;与“长度/形体”相关)。该词用来描述这类生物常见的细长、椭圆外形。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Paul de Kruif《Microbe Hunters》(《微生物猎人》):在介绍早期微生物学与显微观察传统时,常提及草履虫等经典观察对象。
  • Richard Dawkins《The Ancestor’s Tale》(《祖先的故事》):在讨论生命演化与微观生命形态时,会涉及包括草履虫在内的原生生物例子。
  • 多部生物学教材与科普写作(如显微观察、单细胞生物章节)paramecium 常作为入门级“显微镜下的代表生物”出现。
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