1.波动,起伏,涨落;【物】脉动;(市价等)变动
2.(意见等)动摇不定
3.使波动,使起伏
1.to change frequently
1.While it has fluctuated quite a bit in recent quarters, its main trend since the recession began has been markedly downwards.
尽管最近几个季度货币流通速度波动较大，但自衰退以来其主要趋势一直是明显下行的。
2.Next, let's focus on production figures. As you can see from the graph, these have fluctuated over the last three months.
接下来我们将焦点集中于生产数据上。各位从图表中可以看到，过去三个月来变动很大。
3.The research resultsshowedthat the population density of rodents fluctuated obviously among different years, but there was no periodicity.
研究结果表明，不同年间啮齿类种群密度波动明显，但无周期性；
4.His grades fluctuated from Ds to Bs, and I had to have the old mid-semester "Do you want to drop out? " talk with him once again.
他的平时成绩总在D和B之间摇摆不定。我不得不在期中又一次找他谈话，“你是否想要退课？”
5.As you can see, over a ten-year period, the numbers of different fish in the North Sea have fluctuated, but the overall trend is downwards.
正如我们知道的，在过去的十年时间里，在北海地区不同鱼类的数量是波动，但总体趋势是向下降。
6.This cohort has fluctuated between 200m and 230m since the early 1990s, and in 2010 it stood at the upper end of that range.
这个人群自二十世纪九十年代以来，一直在二亿和二亿三千万之间波动，到2010年它达到了波动的高峰。
7.From the beginning of July to the end of October, sales figures fluctuated slightly and then levelled off in November.
从七月初到十月底，销售的数据变化平稳，十一月基本上可以达到目标！
8.The growth rate of the Chinese in Connecticut has fluctuated over the last century due to various different factors.
由于各种因素的影响，上个世纪华人增长率小有波动。
9.The dollar value of that cybercurrency has fluctuated sharply, but overall it has soared.
网络货币的价值剧烈震荡，但总体呈大幅上升趋势。
10.when the singing tone fluctuated, are not allowed to sing the melody of each sound component.
唱歌时音忽高忽低，唱不准组成旋律的每个音。