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

• 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。
• 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。
• 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。
• Overall, the frequently fluctuated lacustrine conditions and the surrounding tectogenesis are mainly responsible for the greatly varied form, different genesis of stromatolites.
  柴达木盆地频繁变化的湖相水体条件和周围的构造运动是叠层石形态多样，成因各异的主要外部和环境因素。
• Relative surplus rate of regional carrying capacity fluctuated greatly, which perfectly reflected the relationship of economic and social development and environment.
  区域承载力相对剩余率年际之间波动较大，较好地反映了经济社会发展与环境之间的关系。
• Rates, in turn, fluctuated in response to foreign affairs in general and military ones in particular.
  债券利率的变化接着又反映了总的外交形势，特别是军事形势。
• Black market prices fluctuated between 60 and 80 per cent of the official exchange rate.
  黑市价格在官方汇率的60%至80%之间波动。
• This week's option market seemed to have fluctuated because somebody was selling maliciously.
  本周的期货市场，因为有人恶意抛盘而显得震荡不稳。
• Financial markets around the world have plunged and fluctuated wildly in recent months.
  近几个月来，世界范围内的金融市场持续下滑，不断波动。
• 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。