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1. Oxford Dictionary

   perturb

   • IPA[pəˈtəːb]

   英式

   • v.
     make (someone) anxious or unsettled；subject (a system, moving object, or process) to an influence tending to alter its normal or regular state or path

   • verb: perturb, 3rd person present: perturbs, gerund or present participle: perturbing, past tense: perturbed, past participle: perturbed

2. • 釋義

   v.

   動詞

   • 1. make (someone) anxious or unsettled they were perturbed by her capricious behaviour he was perturbed that his bleeper wouldn't work
   • 2. technical subject (a system, moving object, or process) to an influence tending to alter its normal or regular state or path nuclear weapons could be used to perturb the orbit of an asteroid