Word · Frequency #24447
perturbation
不安；忧虑；烦扰
an unhappy and worried mental state
- 1.
Agitation; the state of being perturbed.
不安；烦乱状态。
- 2.
an unhappy and worried mental state
不安,忧虑的精神状态
- 3.
A small change in a physical system, or more broadly any definable system (such as a biological or economic system).
物理系统或更广泛的可定义系统(如生物或经济系统)中的微小变化。
- 4.
(physics) a secondary influence on a system that causes it to deviate slightly
(物理学)微扰,对系统的次要影响
- 5.
Variation in an orbit due to the influence of external bodies.
因外部天体影响而导致的轨道变化。
- 6.
activity that is a malfunction, intrusion, or interruption
干扰,故障或中断活动
不安；烦乱状态。；不安,忧虑的精神状态；物理系统或更广泛的可定义系统(如生物或经济系统)中的微小变化。；(物理学)微扰,对系统的次要影响；因外部天体影响而导致的轨道变化。
In use
The unexpected news caused great perturbation in the quiet village.
She tried to hide her perturbation when her name was called.
He noticed the perturbation in her voice and asked what was wrong.
the term `distress' connotes some degree of perturbation and emotional upset
perturbation in [sth]
There was a slight perturbation in the orbit of the planet.
行星轨道出现轻微摄动。
cause perturbation
perturbation 在此语境中为不可数名词。
The sudden change in policy caused considerable perturbation among the staff.
政策的突然变化在员工中引起了相当大的不安。
Connections
Collocations
- perturbation theory
- 微扰理论
- Perturbation theory helps physicists approximate complex systems.微扰理论帮助物理学家近似处理复杂系统。
- orbital perturbation
- 轨道扰动；轨道摄动
- Jupiter's gravity causes orbital perturbations in nearby asteroids.木星的引力导致附近小行星的轨道扰动。
- slight perturbation
- 轻微扰动
- A slight perturbation in the readings may indicate a problem.读数中的轻微扰动可能表明存在问题。
- emotional perturbation
- 情绪不安
- She tried to hide her emotional perturbation during the meeting.会议期间她试图掩饰自己的情绪不安。
- environmental perturbation
- 环境扰动
- Many species are sensitive to environmental perturbations.许多物种对环境扰动很敏感。
Learner notes
Memory Tip
联想动词 perturb（打扰、使不安），加 -ation 变名词；被人打扰那一刻的心情就是 perturbation（不安、扰动）。
Context & Register
语域：formal 常见场景：正式写作、文学作品、学术论文 该词比较正式，常见于书面语和学术文本。表示‘不安’时多用于心理或情感描写；表示‘微小变化或干扰’时多用于物理、经济等专业领域。日常口语中较少使用。
Pronunciation & Spelling
All six words rhyme with perturbation: their stressed vowel is /eɪ/ followed by /ʃən/. Beware lookalikes spelled with -tion that sound different, such as option /ˈɑːpʃən/ and notion /ˈnoʊʃən/—they do not rhyme.
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.