fluctuate

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

波動, 起伏, 漲落

rise and fall irregularly in number or amount

:
The stock market prices fluctuate daily.
股市價格每天都波動
Her mood often fluctuates between happiness and sadness.
她的情緒經常在快樂和悲傷之間波動