perturbation

,pә:tә:'beiʃәn

英文释义

n. (physics) a secondary influence on a system that causes it to deviate slightly
n. activity that is a malfunction, intrusion, or interruption
n. a disposition that is confused or nervous and upset

中文翻译

n. 不安, 扰乱, 紊乱, 烦扰
[化] 摄动; 微扰

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记忆技巧

perturbation 由前缀 per-（完全）和词根 turb（搅动）以及后缀 -ation（表示动作或状态）组成，整体意思是“完全搅动”，引申为“扰动、混乱”。

例句

1. The scientist studied the perturbation of the waves caused by the storm.
科学家研究了风暴引起的波动。
2. Small perturbations in the environment can lead to big changes in the ecosystem.
环境中的小干扰可能会导致生态系统的重大变化。
3. The teacher noticed a perturbation in the student's behavior after the exam.
老师注意到考试后学生行为上的不安。

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