| 单词 | perturbation |
| 释义 | perturbation —perturbation /ˌpɜː.təˈbeɪ.ʃən/ aep /ˌpɝː.t̬ɚ-/ noun [C or U] SPECIALIZED (CHANGE) ► F0 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.Thesaurus+: ↑Shaking, swinging and vibratingnoun [U] FORMAL (WORRY) ► F0 worryThesaurus+: ↑Anxiety and worry - general words , ↑Fear and phobias |
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