Englishfor English speakers
fluctuation
Noun
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A fluctuation is when something changes back and forth quickly.
The price of wheat stayed the same, but there were a lot of fluctuations in the price of rice.
Every time a cloud goes past, there is a fluctuation in the amount of sunshine.
cycle
Noun
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A cycle is a number of regular things that happen again and again.
Right now we are in an upward-moving part of the business cycle.
Although women's monthly cycles vary in length from person to person, the average length is about 28 days.
Most car engines have a 4-part cycle.
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A cycle is a short way of saying bicycle or motorcycle.
cycle
Verb
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If you cycle somewhere, you go there by bicycle or motorcycle.
The rain was falling harder than ever as I cycled home down the Banbury Road.
It took me less than 7 minutes to cycle the whole trail.
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If you cycle a machine, you run it through one cycle.
The test will cycle the computer through ten start ups.