fluctuate

Word family

fluc·tu·ate /ˈflʌktʃueɪt/ AWL verb [intransitiveI]

CHANGE/BECOME DIFFERENTif a price or amount fluctuates, it keeps changing and becoming higher and lower 〔价格或数量〕波动，上下变动，起伏 SYN vary

fluctuate between

Prices were volatile, fluctuating between $20 and $40.

价格不稳定，在20至40美元之间波动。

fluctuate around

The number of children in the school fluctuates around 100.

该校的学童人数在100左右波动。

Insect populations fluctuate wildly from year to year.

昆虫的数量每年变化很大。

Examples from the Corpus

fluctuate• This procedure does not allow for adaptability, essential for applications such as process control, which must change as conditions fluctuate.• The car industry's annual production fluctuates between 5.1 million and 9.2 million vehicles.• Although each series will get a general rating based on its usual content, they can fluctuate from week to week.• Cholesterol levels in the blood fluctuate in the course of a day.• As the numbers fluctuate, old job identities are destroyed.• Seven races made up the first championship and that number has fluctuated over the years.• Share prices on the New York Stock Exchange often fluctuate wildly.• The state's income from sales taxes fluctuates with the economy.• This wealth will continue to fluctuate with the share price until he decides to cash in the options.• It will certainly be different for different species, and it may fluctuate within each species.

fluctuate wildly• By this time Snyder was lapsing in and out of consciousness and his body temperature was fluctuating wildly.• Income: Liable to fluctuate wildly.• Lily had experienced pain there and her temperature fluctuated wildly.• The price of bread cereals, on which labouring families spent a vast proportion of their wages, fluctuated wildly.• I was tall and slim but I had an eating disorder and my weight fluctuated wildly according to how I ate.• The dam trapped sediments, and water releases fluctuated wildly, depending on hydroelectric-power needs.• The play fluctuated wildly throughout the three days of the event.

From Longman Business Dictionary

fluctuatefluc·tu·ate /ˈflʌktʃueɪt/ verb [intransitiveI]

if prices, income, rates etc fluctuate, they change, increasing or falling often or regularly

Dealers know that prices fluctuate and that capital losses can be expected.

fluctuate around

The charity’s income tends to fluctuate around £100,000

—fluctuating adjectiveadj

Exports to non-EU countries will still be subject tofluctuating exchange rates.

Origin fluctuate

(1600-1700) Latin fluctuare, from fluere; → FLUENT

Chinese

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