fluctuate verb

ADV. considerably | sharply, widely, wildly Prices have fluctuated wildly in recent years. | constantly, continually constantly fluctuating patterns

PREP. according to Traffic congestion fluctuates according to the time of day. | around The number of boys at the school fluctuates around 100. | between The number of unemployed fluctuates between two and three million.

You can also check Google Dictionary: fluctuate (English, 中文解释 )

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