短語詞組短語rotor vacillation 轉(zhuǎn)子搖擺vacillation cycle 遊移周期vacillation phenomena 遊移現(xiàn)象vacillation ? 躊躇pointer vacillation 指針擺動(dòng)climatic vacillation 氣候擺動(dòng)vacillation factors 波動(dòng)因素Vacillation change 振蕩變化pertinacity vacillation 頑固 返回 vacillation