fluctuate的用法

fluctuate
vi.
波动, 涨落, 起伏
The price of vegetables fluctuates seasonally.
蔬菜的价格随季节变动。

The price of pork is always fluctuating

fluctuate

vi.
1. 波动,变动;动摇
He fluctuated between hope and despair.
他时而充满希望时而失望。
The price of vegetables fluctuates according to the weather.
蔬菜价随着天气变化而波动。