短語(yǔ)詞組短語(yǔ)rotor vacillation 轉(zhuǎn)子搖擺vacillation cycle 游移周期vacillation phenomena 游移現(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