fluctuate
verb /ˈflʌktʃueɪt/
/ˈflʌktʃueɪt/
[intransitive]动词形式
| present simple I / you / we / they fluctuate | /ˈflʌktʃueɪt/ /ˈflʌktʃueɪt/ |
| he / she / it fluctuates | /ˈflʌktʃueɪts/ /ˈflʌktʃueɪts/ |
| past simple fluctuated | /ˈflʌktʃueɪtɪd/ /ˈflʌktʃueɪtɪd/ |
| past participle fluctuated | /ˈflʌktʃueɪtɪd/ /ˈflʌktʃueɪtɪd/ |
| -ing form fluctuating | /ˈflʌktʃueɪtɪŋ/ /ˈflʌktʃueɪtɪŋ/ |
- to change frequently in size, amount, quality, etc., especially from one extreme to another
（大小、数量、质量等）波动；（在…之间）起伏不定 - fluctuating prices
波动的价格 - The documentary follows the fluctuating fortunes of one marketing company.
这部纪录片讲述了一家营销公司的兴衰。 - fluctuate between A and B 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 至 40 美元之间波动。 - + adv./prep. Temperatures can fluctuate by as much as 10 degrees.
温差可达 10 度之多。 - My weight fluctuated wildly depending on how much I ate.
我的体重会因我吃多少东西而大幅变化。 - My mood seems to fluctuate from day to day.
我的情绪似乎天天在变。 - The rate of inflation has been fluctuating around 4% for some time.
一段时间以来，通货膨胀率一直在4%左右波动。
Wordfinder- boom
- decline
- dip
- fluctuate
- level off/out
- peak
- plateau
- plummet
- slump
- trend
Topics Moneyc1- The number of boys at the school fluctuates around 100.
该校男生人数在100人左右波动。 - The number of unemployed fluctuates between two and three million.
失业人数在 200 万到 300 万之间波动。 - Traffic congestion fluctuates according to the time of day.
交通拥堵状况会随一天时段的不同而变化。
Collocations Dictionaryadverb- considerably
- greatly
- dramatically
- …
- according to
- around
- between
- …
词源mid 17th cent. (earlier (late Middle English) as fluctuation): from Latin fluctuat- ‘undulated’, from the verb fluctuare, from fluctus ‘flow, current, wave’, from fluere ‘to flow’. - fluctuating prices