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波动
1、fluctuate───vi.波动；涨落；动摇；vt.使波动；使动摇
2、fluctuates───vi.波动；涨落；动摇；vt.使波动；使动摇
3、fluctuation───n.起伏，波动
4、flustrated───慌张的
5、effectuated───vt.完成；实行；招致
6、fructuate───果状
7、fructuated───果状的
8、fructuates───果状的
9、fluctuating───v.波动，起伏不定（fluctuate的现在分词）；adj.波动的，变动的
1、numbers of deer have fluctuated markedly since the entry of Europeans into Puget Sound country.───自从欧洲人进入普吉特海湾地区以来，鹿的数量波动很大。
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、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。
4、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。
5、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？”
6、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。
7、Findings from the upper sections of the cores have confirmed what scientists already knew—climate during the last ice age fluctuated rapidly.───来自岩心上部的发现证实了科学家们已经知道的情况：最后一个冰河时代的气候变化非常快。
8、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；
9、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。
1、During the crisis, oil prices fluctuated between $20 and $40 a barrel.
2、My weight fluctuated wildly depending on how much I ate.
3、Prices have fluctuated wildly in recent years.
4、The geographical position of the frontier fluctuated with the fortunes of war .
5、Inflation figures have fluctuated wildly between 0.2% and 25%.
6、We had already perceived how the temperature fluctuated.
7、He fluctuated between hopes and fears.
8、Oil prices fluctuated significantly during October.
9、His feelings fluctuated between excitement and fear.