fluctuated

英 [ˈflʌktʃueɪtɪd]

美 [ˈflʌktʃueɪtɪd]

v.  (大小、数量、质量等)波动; (在…之间)起伏不定
fluctuate的过去分词和过去式

过去式：fluctuated　

柯林斯词典

• VERB 变动;波动;上下浮动
  If somethingfluctuates, it changes a lot in an irregular way.
  1. Body temperature can fluctuate if you are ill.
     人患病后体温可能会上下波动。
  2. ...the fluctuating price of oil.
     油价的浮动

双语例句

• Since the beginning of this year, though, the average gap has narrowed to 6 per cent; since July it has fluctuated between a premium and a discount.
  不过，自今年初以来，平均溢价已收窄至6%；自7月份以来，两者价差在溢价和折扣之间波动。
• In the process of secondary succession from conifer-broadleaf forest to broadleaf forest, species richness fluctuated remarkably.
  在针阔混交林向阔叶林演替过程中，物种丰富度指数表现为较大的波动性。
• The continuity of some schemes has indeed fluctuated through the financial crisis.
  金融危机期间，一些企业的管培计划确实有所波动。
• The dollar, like the other main currencies ( except Sterling), has fluctuated since 2007, with no pronounced trend.
  与其它主要货币（除了英镑）一样，美元自2007年以来区间波动，没有任何明显的趋势。
• For a long time the degree of concentration fluctuated around a fairly stable rate.
  财富集中度长期以来围绕一个相当稳定的比率波动。
• The rate of infection in humans in control villages fluctuated but remained at baseline levels.
  在未受干预的两个村庄中，人感染率上下波动，但是都维持在一个基本水平。
• We had already perceived how the temperature fluctuated.
  我们已注意到温度的波动情形。
• The TN loss fluctuated with rainfall-runoff, but the TP loss showed an increasing trend year by year.
  氮流失浓度受降雨径流变化影响显著，而磷流失则表现出逐年递增的趋势；
• In recent years, our economy fluctuated significantly, accompanied with deflation and high growth rate.
  近年来，我国经济波动比较大，甚至出现了通货紧缩和高增长并存的现象。
• Bond yields have fluctuated but the peak of each cycle over the last two decades has been lower than the peak that preceded it as investors have gained in confidence that inflation has been squeezed out.
  债券收益率上下波动，但过去20年里，每一个周期的波峰都低于之前的波峰，因为投资者越来越相信通胀已被挤出。