Word · Frequency #6984
impetus
动力；推动力
核心释义
something that makes a process or activity happen or happen more quickly
- 1.
推动因素；刺激因素
Anything that impels; a stimulating factor.
- 2.
推动某物前进的力量
a force that moves something along
- 3.
推动的力量；冲动
A force, either internal or external, that impels; an impulse.
- 4.
突然施加力量的行为
the act of applying force suddenly
- 5.
与运动物体相关的力量或能量；刺激
The force or energy associated with a moving body; a stimulus.
- 6.
约翰·布里丹提出的动力原则,相当于重量乘以速度,是亚里士多德动力学的辅助理论,由约翰·菲洛波努斯引入,描述了抛射物在重力作用下的线性运动,直到转变为垂直下降,是经典力学中惯性、动量和加速度概念的智力前身
A principle of motive force, held as equivalent to weight times velocity by John Buridan, in an auxiliary theory of Aristotelian dynamics introduced by John Philoponus, describing projectile motion against gravity as linear until it transitions to a vertical drop and the intellectual precursor to the concepts of inertia, momentum and acceleration in classical mechanics.
- 7.
对刺激的反应活动
An activity in response to a stimulus.
[医] 冲动；动能；起始(病)；推动因素；刺激因素；推动某物前进的力量；推动的力量；冲动；突然施加力量的行为
用法In use
The new government policy provided the impetus for economic growth.
用法提示：句中'impetus'作名词，意为推动力，是句中主语提供的直接驱动力。
Her passion for teaching was the main impetus behind her decision to start a school.
用法提示：'impetus'表示内驱力，引导原因状语后接的目的。
The discovery of oil gave a strong impetus to the region's industrial development.
用法提示：'impetus'作给予的间接宾语，说明促进作用。
impetus for something
The discovery provided an impetus for further research.
这一发现为后续研究提供了动力。
impetus to do something
相关词与表达Connections
搭配Collocations
- main impetus
- 主要动力
- The main impetus for the project was economic growth.该项目的主要动力是经济增长。
- provide impetus
- 提供动力
- The new policy provided impetus for innovation.新政策为创新提供了动力。
- impetus behind
- 背后的推动力
- What was the impetus behind this decision?这个决定背后的推动力是什么？
- impetus for
- …的推动力
- The discovery was the impetus for further research.这一发现是进一步研究的推动力。
- give impetus
- 给予推动
学习提示Learner notes
记忆技巧Memory Tip
音似'因迫他'，联想施加压力推动他，意为推动力。
语境与语域Context & Register
通常用于正式或学术语境，表示推动力或刺激因素。
发音与拼写Pronunciation & Spelling
Group: words ending in /təs/ (status, apparatus, cactus) rhyme with impetus in the unstressed final syllable. Words like consensus (/səs/) and campus (/pəs/) are lookalikes but do not share the exact final consonant cluster.
用法优先级Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.