fluctuate的第三人称单数怎么写

fluctuate的音标：fluctuate的英式发音音标为：['flʌktʃueɪt]fluctuate的美式发音音标为：['flʌktʃuˌet]...

vi.波动，涨落vt.使波动，使动摇...

Prices fluctuate from year to year.物价年年波动.Body temperature can fluctuate if you are ill.人患病后体温可能会上下波动。The actual cost may fluctuate above and below that standard.实际成本可在标准成本的上下范围内增减....

fluctuate的现在完成时为：fluctuated...

fluctuate的现在进行时为：fluctuating...

fluctuate的一般过去时为：fluctuated...