学习资料

[意       思]vi. 波动，变动，动摇
[例]  He fluctuated between hope and despair. 他时而充满希望时而失望。

更多意思

vi.（大小、数量、质量等）波动，（在……之间）起伏不定

参考例句

1.	Prices fluctuate from year to year.
	物价年年波动。
2.	fluctuate between two opinions
	在两种意见之间摇摆不定
3.	fluctuate in price [opinion]
	物价波动[意见摇摆不定]
4.	fluctuate in the exchange rates
	汇率波动