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单词 perturbation
释义

per.tur.ba.tion
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担心,烦扰
She displayed signs of increasing perturbation (= worry) as she hurried to meet him. [U]
当她赶着去见他的时候显得更加心绪不宁。
(specialized) A perturbation is also a small change in the regular motion of an object.
摄动
Perturbations in the orbit of the planet Uranus led to the discovery of Neptune in 1846. [C]
天王星轨道的摄动使人们1864年发现海王星。

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更新时间:2025/1/23 23:45:23