fluctuate
US /ˈflʌk.tʃu.eɪt/
UK /ˈflʌk.tʃu.eɪt/

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。
波動, 起伏, 漲落
rise and fall irregularly in number or amount