fluctuate

英 [ˈflʌktʃueɪt]

美 [ˈflʌktʃueɪt]

v.  (大小、数量、质量等)波动; (在…之间)起伏不定

过去式：fluctuated　第三人称单数：fluctuates　过去分词：fluctuated　现在分词：fluctuating　

CET6考研TOEFLIELTSGRETEM8BEC

Collins.1 / BNC.11623 / COCA.12670

牛津词典

verb

• （大小、数量、质量等）波动；（在…之间）起伏不定
  to change frequently in size, amount, quality, etc., especially from one extreme to another
  1. fluctuating prices
     波动的价格
  2. During the crisis, oil prices fluctuated between $20 and $40 a barrel.
     在危机时期，每桶石油价格在20元至40元之间波动。
  3. Temperatures can fluctuate by as much as 10 degrees.
     温差可达10度之多。
  4. My mood seems to fluctuate from day to day.
     我的情绪似乎天天在变。

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

英英释义

verb

• be unstable
  1. The stock market fluctuates
• move or sway in a rising and falling or wavelike pattern
  1. the line on the monitor vacillated
  Synonym:vacillatewaver
• cause to fluctuate or move in a wavelike pattern

双语例句

• Body temperature can fluctuate if you are ill.
  人患病后体温可能会上下波动。
• Estimation is a very risky business when the margin for error can fluctuate significantly.
  评估是一个非常有风险的事情，误差可以有很大的波动。
• Both the light and radio outputs fluctuate markedly.
  光和无线电的输出都引人注目地起伏变化。
• Without consensus about the effects of carbon dioxide emissions on climate change, these subsidies will fluctuate.
  由于各方对二氧化碳排放对气候变化的影响缺乏共识，这些补贴将是不稳定的。
• As prices fluctuate, the dollar-cost averager will buy more of the market when prices are low, and less when prices are high.
  随着股市波动，当股价下跌时，按照平均成本法投资将买入更多股票，而当股价上涨时，则买入的更少。
• Market interest rates fluctuate and may differ from the contract rate on a bond.
  市场利率上下波动，可能不等于债券的约定利率。
• It will fluctuate and change over time.
  它会波动，会随着时间而变化。
• But no: neither rents nor mortgages fluctuate with the seasons.
  但事实并非如此：租金和抵押贷款都不会随着季节的更替而变动。
• Electricity prices in Britain would be tied directly to gas prices, which can fluctuate wildly.
  英国的电价会与波动很大的天然气价格紧密相关。
• The problem with these demands is that they fluctuate between formal emptiness and impossible radicalization.
  这三项要求的问题是，它们是动摇在形式的空洞和无能的激进主义之间的。