fluctuate

fluctuate的音标为：[ˈflʌktʃueɪt] ，中文意思是“波动；起伏；波动；变化不定”。

速记技巧：fluctuate和动词fluctuate（波动）同源，可以记为“波动起伏变化多”。

fluctuate 的英文词源为拉丁语，意为“摇摆，波动”。其变化形式为 fluctuation，常用于描述事物的不稳定或变化。

相关单词：

fluctuation 波动，变动 - 衍生词 fluctuant（波动的，变动的），fluctuator（波动者）

fluctuate 摇摆，波动 - 衍生词 fluctulation（波动，变动），fluctuating（波动的）

fluctuate about 在...上波动 - 衍生词 fluctuationism（波动主义）

以上这些单词都与 fluctuate 有着密切的联系，它们在词义和用法上都有所不同，但都体现了波动、变动这一共同特点。fluctuate 是一个常用的英语单词，它常用于描述事物的不稳定或变化，这也反映了其词源的含义。

常用短语：

1. fluctuate between 波动于...之间

2. fluctuate up and down 上下波动

3. fluctuate with 随着...波动

4. fluctuate in and out of 时而进入时而退出

5. fluctuate at a certain rate 在一定的速率上波动

6. fluctuate randomly 随机波动

7. fluctuate with changes 与变化同步波动

例句：

1. The price of oil fluctuated wildly today, up and down by hundreds of dollars.

2. The stock market fluctuated with the news of the company"s earnings.

3. The temperature fluctuated with the weather changes.

4. The number of customers fluctuated with the season.

5. The rate of inflation fluctuated with the economic situation.

6. The value of the currency fluctuates with the exchange rate.

7. The level of noise fluctuates with the traffic conditions.

英文小作文：

Fluctuating Nature

Life is full of fluctuations, whether it"s the rise and fall of the stock market, the ebb and flow of the ocean, or even the changes in our own body. These fluctuations can be both a challenge and an opportunity, teaching us to adapt and evolve.

In my opinion, fluctuations are a natural part of life, and we shouldn"t be afraid of them. Instead, we should embrace them as opportunities to learn, grow, and adapt to new situations. Through fluctuations, we can discover new strengths, find new ways to solve problems, and create new opportunities for success.

In conclusion, fluctuations are a part of life that we can"t avoid. Instead of fearing them, we should embrace them as opportunities for growth and development. By doing so, we can create a more fulfilling life and achieve our goals with greater ease and success.