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 TOEFL IELTS GRE TEM8 BEC

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

Currently, annual interest rates fluctuate between 1% and 2%.
目前此类贷款的年利率在1%和2%之间波动。
To be one flesh when prices fluctuate.
物价波动了，就融为一体。
In the system the values of various currencies fluctuate to restore balance of payments equilibrium.
在这一制度中，以各种货币价值的波动来恢复国际收支差额的平衡。
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。
Economically identical, but their prices would fluctuate and fairly dramatically.
它们在经济意义上是相同的，但是他们的价格，会有波动，而且非常剧烈。
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。
I feel air, rise and fall and fluctuate as melody, it is transparent to have to rise and fall and fluctuate.
我感到空气像旋律一样起伏和波动，透明得起伏和波动。
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。
As stated above, securities can fluctuate between periods of high volatility and low volatility.
如前所述，证券之间波动时期的高波动性和低波动。
The committee said threats to the economic outlook have increased, and inflation rates continue to fluctuate.
该委员会说，对经济前景的威胁增加，通货膨胀率继续波动。