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BNC: 24447 COCA: 19948

perturbation noun WORRY

[ U ] formal worry担心;烦恼

perturbation noun CHANGE

[ C or U ] specialized physics a small change in the regular movement of an object摄动;扰动

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。
BNC: 24447 COCA: 19948
BNC: 24447 COCA: 19948
BNC: 24447 COCA: 19948

See also: perturbed


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