adj.变动的，起伏的，波动的

The stock market has been fluctuant lately.
最近股市一直在波动。
His mood was quite fluctuant, swinging from happiness to sadness in a matter of minutes.
他的情绪非常波动，几分钟内从快乐变为悲伤。
The fluctuant exchange rate is causing problems for businesses that rely on imports.
不断波动的汇率给依赖进口的企业带来了问题。
Her weight has been fluctuant ever since she started dieting.
自从她开始节食以来，她的体重就一直在波动。
The fluctuant weather made it difficult to plan outdoor activities.
多变的天气使得安排户外活动变得困难。
The company's profits have been fluctuant due to changes in the market.
由于市场的变化，公司的利润一直在波动。
He found it hard to focus with his fluctuant attention span.
他发现自己很难集中注意力，因为他的注意力持续时间一直在波动。
The temperature in the room was fluctuant, making it uncomfortable to work.
房间里的温度一直在波动，使人工作起来不舒服。
The fluctuant demand for oil has caused prices to rise and fall rapidly.
石油需求的波动导致价格快速上涨和下跌。
The fluctuant internet connection was driving him crazy.
不稳定的网络连接让他抓狂。