fluctuate
/ˈflʌktʃueɪt/
v.
一句话记住
波动;起伏
释义与例句
v.
波动;起伏
to change frequently in amount, level, price or value
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Oil prices fluctuated sharply throughout the year.
全年油价波动剧烈。
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Her body temperature fluctuates during the day.
她的体温在一天中会有波动。
展开其余 1 条例句
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Attendance fluctuates according to the weather.
出席人数随天气变化而起伏。
词源与构词
源自拉丁语 fluctuare,与 fluctus(波浪)有关,后用于描述数值或水平像波浪般起伏。
记忆钩子
fluctuate 是图表作文常用词,强调“反复上下波动”;名词为 fluctuation。
词族与关联词
同根词(同一个词根长出来的词)
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fluid 液体;流体The patient was encouraged to drink plenty of fluids. 医生鼓励这名患者多喝水等流质。
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influence 影响;影响力;起作用的人或事物Parents have a strong influence on their children's attitudes. 父母对孩子的态度有很大影响。
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influential 有影响力的;有作用的She is one of the most influential figures in modern design. 她是现代设计领域最有影响力的人物之一。
词族(同一词根派生出的不同词性或形式)
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fluctuation 波动;起伏fluctuate 的名词形式,常用 price/temperature fluctuations。
同义词
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vary 变化;不同vary 泛指存在差异或发生变化;fluctuate 特指数量、价格或水平反复上下波动。The cost of accommodation varies from region to region. 住宿费用因地区而异。
易混词(形近或义近,注意区别)
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soar 猛增;高飞soar 表示快速大幅上升;fluctuate 表示上下反复波动,不表示单一趋势。House prices soared during the property boom. 房地产繁荣期间房价猛涨。
常见搭配
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fluctuate between 在……之间波动The rate fluctuates between three and five per cent. 该比率在百分之三到百分之五之间波动。
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fluctuate widely 大幅波动Demand for the product can fluctuate widely. 该产品的需求可能大幅波动。
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prices fluctuate 价格波动Food prices fluctuate with supply and demand. 食品价格随供需关系波动。