fluctuation

英 [ˌflʌktʃuˈeɪʃ(ə)n] 美 [ˌflʌktʃuˈeɪʃn]

n. 波動，起伏

[ 複數 fluctuations ] ^[1] 

economic fluctuation 經濟波動

price fluctuation [經]價格起伏，物價波動

voltage fluctuation 電壓波動；電壓升降

temperature fluctuation 温度波動；温度漲落

market fluctuation 市場波動；市價漲落

speed fluctuation 速度波動；速率變動；速度忽高忽低

fluctuation range 波動幅度

current fluctuation 電流起伏，電流波動；日常波動

fluctuation velocity 脈動速度，波動速度；變動速度

cyclical fluctuation 循環變動，週期性波動

turbulent fluctuation 紊流脈動；紊動 ^[1] 

1、Changes in climate before that period caused severe fluctuation in sea level, resulting in the extinction of the dinosaurs. 在此之前，氣候的變化導致了海平面的劇烈波動，恐龍因此滅絕。

2、Changes in climate before the Cretaceous period caused severe fluctuation in sea level, resulting in the extinction of the dinosaurs. 白堊紀以前的氣候變化導致了海平面的劇烈波動，引發了恐龍的滅絕。

3、Since potential markets for the minority businesses already exist through the sponsoring companies, the minority businesses face considerably less risk in terms of location and market fluctuation. 由於少數族裔企業的潛在市場已經通過贊助公司而存在，因此少數族裔企業面臨的地理位置和市場波動風險要小得多。 ^[1]