fluctuate
['flʌk.tju.eɪt] verb intransitive
■to change, especially continuously and between one level or thing and another （尤指持续）波动，起伏不定•Vegetable prices fluctuate according to the season.蔬菜价格随着季节变化而涨落。 •Her wages fluctuate between £150 and £200 a week.她的周薪在150英镑到200英镑之间浮动。 •Her weight fluctuates wildly.她的体重起伏很大。 •fluctuating prices波动的价格 |