fluctuate
波动
常用释义
英音[ ˈflʌktʃueɪt ]
美音[ ˈflʌktʃueɪt ]
变形
第三人称单数:
fluctuates
现在分词:
fluctuating
过去式:
fluctuated
过去分词:
fluctuated
基本释义
- v. 波动，起伏不定；使波动，使动摇
考试频率
四级
考频：近五年出现1次
- v. 波动
六级
考频：近五年出现2次
- v. 波动; 起伏
考研
考频：近六年出现2次
- v. 波动; 起伏; 涨落
例句
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1·Body temperature can fluctuate if you are ill.如果你病了，体温会波动。来源: 《柯林斯英汉双解大词典》
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2·The analysis reveals that intensity appears to fluctuate with a clear, well-defined rhythm.分析表明，强度似乎以一种清晰的、明确的节奏在波动。
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3·Later on in the early years of the nineteenth century, when Fort Vancouver became the headquarters of the Hudson's Bay Company, deer populations continued to fluctuate.后来，在19世纪初，当温哥华堡成为哈德逊湾公司的总部时，鹿的数量继续波动。
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4·Prices fluctuate, in response to harvests, natural disasters and political instability; and when they rise, it takes some time before new sources of supply become available.价格会随着收成、自然灾害和政治不稳定而波动；当价格上涨时，需要一段时间才能找到新的供应来源。
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5·My mood seems to fluctuate from day to day.我的情绪似乎天天在变。来源: 《牛津词典》
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6·Temperatures can fluctuate by as much as 10 degrees.温差可达10度之多。来源: 《牛津词典》
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7·Scientists believe that intelligence can expand and fluctuate according to mental effort.科学家们相信智力会随着大脑的努力而增加和波动。
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8·Indeed, people tend to dip in and out of poverty, perhaps due to unexpected obstacles like losing a job, or when hours of a low-wage job fluctuate.的确，人们在贫困线上浮浮沉沉，也许是因为遇到意想不到的阻碍，比如失去工作，或是低报酬工作的时长不稳定。
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9·Essential goods from outside the district had become more readily available at the market, and prices did not fluctuate as much as they had done before.区外的必需品在市场上更容易买到，而且价格也不像以前那样大起大落。
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10·Data processing time does fluctuate.数据处理花的时间是波动的。
同义词
vi.
波动；涨落；动摇
vt.
使波动；使动摇
同根词
词根：
fluctuate