起伏fluctuation;scintillation;undulate详细»
起伏heave and set;heave with;scintillation;seesaw;ups and downs详细»
起伏fluctuation;heave详细»
起伏accident;fluctuating;roll;rolled;rolling;scintillation;ups and downs;wave详细»
起伏fluctuation;undulation详细»
起伏heave详细»
起伏fluctuate;fluctuation详细»
起伏fluctuate;fluctuatin;undulate详细»