| 词汇 | perturbation |
| 释义 | perturbation noun uk/ˌpɜː.təˈbeɪ.ʃən/ us/ˌpɝː.t̬ɚˈbeɪ.ʃən/ (WORRY) [ U ] formal担心；烦恼 worry (CHANGE) [ C or U ] physics specialized摄动;扰动 a small change in the regular movement of an object Perturbations in the orbit of the planet Uranus led to the discovery of Neptune in 1846. 天王星轨道的摄动使人们于1846年发现了海王星。 |
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