- fluctuation (in/of something)
one of several changes in size, amount, quality, etc. that happen frequently, especially from one extreme to another; the act of changing frequently like this 波动:经常发生的大小,数量,质量等变化中的一种,特别是从一种极端到另一种极端变化;这样经常变化的行为 wild fluctuations in interest rates 利率的疯狂波动 the constant fluctuation of oil prices 油价的不断波动 currency/temperature fluctuations 货币/温度波动