fluctuate

US /ˈflʌk.tʃu.eɪt/
UK /ˈflʌk.tʃu.eɪt/
"fluctuate" picture
1.

波动, 起伏, 涨落

rise and fall irregularly in number or amount

:
The stock market prices fluctuate daily.
股市价格每天都波动
Her mood often fluctuates between happiness and sadness.
她的情绪经常在快乐和悲伤之间波动