V2EX impetus

Impetus

释义 Definition

impetus(名词):推动力;刺激;促使某事发生或发展的动力/起因。常用于正式语境。也可指物理学中的“动量/冲力”(较专业)。

发音 Pronunciation

/mpts/

例句 Examples

The new policy gave the project fresh impetus.
新政策为该项目带来了新的推动力。

Public outrage provided the impetus for sweeping reforms, reshaping the system over the following decade.
公众的愤怒成为大规模改革的催化剂,并在接下来的十年里重塑了整个体系。

词源 Etymology

源自拉丁语 impetus,意为“冲击、推动、攻击”,来自动词 impellere(推动、驱使;由 in- “向内” + pellere “推”构成)。因此 impetus 常带有“把事情推向前”的意味。

相关词 Related Words

文学作品中的用例 Literary Works

  • Mary Shelley《Frankenstein》:作品中多次使用与“驱使、促动”的语境来描写人物行动的内在动力(含 impetus 一词的正式表达常见于叙述段落)。
  • Charles Darwin《On the Origin of Species》:在论述科学思想与研究进展时,常用 impetus 表示“推动研究/观点发展的动力”。
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