fluctuate

動詞

1. 1

   波動、起伏、漲落

   Oil prices fluctuated wildly throughout the second half of the year.

   油價在下半年劇烈波動。

2. 2

   變化不定、搖擺、反覆

   Her mood fluctuates depending on how much sleep she gets.

   她的情緒會依睡眠多寡而變化不定。