| 词汇 | perturbation |
| 释义 | perturbation 1 ENTRIES FOUND: perturbation (noun) perturbation /ˌpɚtɚˈbeɪʃən/ noun plural perturbations perturbation /ˌpɚtɚˈbeɪʃən/ noun plural perturbations Learner's definition of PERTURBATION 1 technical : a change in the normal state or regular movement of something摄动；微扰 [count] a perturbation in the planet's orbit行星轨迹摄动 [noncount] gravitational perturbation重力摄动 2 [noncount] formal : the state of being worried or upset不安；忧虑 mental/emotional perturbation精神上的焦虑；情绪上的低落 |
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