Word · CEFR C2 · Frequency #11623
fluctuate
波动；起伏
核心释义
to change frequently and irregularly in amount or level
- 1.
不规则地变化；波动。
To vary irregularly; to swing.
- 2.
起伏；波动。
To undulate.
- 3.
犹豫不决；摇摆不定。
To be irresolute; to waver.
- 4.
使不规则地变化。
To cause to vary irregularly.
起伏；波动；犹豫不决；摇摆不定；使波动；使起伏；不规则地变化；波动。；起伏；波动。
用法In use
The stock market prices fluctuate daily based on global events.
用法提示：原形fluctuate表示价格起伏变动。
Her mood fluctuated wildly throughout the day due to stress.
用法提示：过去式fluctuated描述情绪不稳定变化。
The temperature has been fluctuating between 10 and 20 degrees this week.
用法提示：现在分词fluctuating强调持续变化的状态。
fluctuate between A and B
用于表示在两个极端值或状态之间来回变化。
The temperature fluctuates between 10 and 20 degrees.
温度在10到20度之间波动。
fluctuate with sth
with 后接导致波动的相关因素或原因。
相关词与表达Connections
搭配Collocations
- fluctuate wildly
- 大幅波动
- The price of oil has fluctuated wildly over the past year.过去一年，石油价格大幅波动。
- fluctuate between A and B
- 在A和B之间波动
- Her mood fluctuates between optimism and despair.她的情绪在乐观和绝望之间波动。
- fluctuate with the market
- 随市场波动
- Property values tend to fluctuate with the market.房地产价值往往随市场波动。
- fluctuating demand
- 波动的需求
- The factory struggles to cope with fluctuating demand.工厂难以应对波动的需求。
- fluctuate over time
学习提示Learner notes
记忆技巧Memory Tip
想象一条上下抖动的曲线，fluctuate 发音像‘浮落’，数值忽高忽低、起伏不定。
语境与语域Context & Register
语域：mixed 常见场景：financial reports and market discussions、weather and temperature conversations、academic writing about data and trends 该词表示“波动、起伏”，在正式和日常语境中都较常见，如描述价格、温度、情绪或数据的变化。多用于书面和较正式的口语，日常口语中也可使用，但整体略带书面色彩。
发音与拼写Pronunciation & Spelling
All six words end in the same /eɪt/ sound as fluctuate: punctuate, graduate, and situate match fluctuate’s first-syllable stress; evaluate and accentuate stress an earlier syllable but keep the same final -ate. Beware lookalikes: fluent /ˈfluːənt/, actual /ˈæktʃuəl/, and fluke /fluːk/ look similar but do not rhyme.
用法优先级Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY, WORDNET.