fluc·tu·a·tion
noun/ˌflʌktʃuˈeɪʃn/
/ˌflʌktʃuˈeɪʃn/
[countable, uncountable]- 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
石油价格的不断波动 - currency/temperature fluctuations
货币/温度波动
- wild fluctuations in interest rates