perturbation
/ˌpɜːrtərˈbeɪʃən/
American
- n. 不安, 扰动
- Definition
- n. a feeling of anxiety, or a disturbance in a system
- Example
- A small perturbation in the orbit changed the satellite's path slightly.
- 轨道上的一个微小扰动使卫星的路径发生了轻微变化。