fluctuates

fluctuates的音标为[ˈflʌktʃueɪts]，基本翻译为“波动，起伏不定”，速记技巧为：波动起伏-fluctuates。

Fluctuates的英文词源是拉丁语的fluctuare，意为“摇摆，波动”。它的变化形式包括fluctuant（波动的），fluctuation（波动，起伏），fluctuating（波动的，不稳定的），fluctuator（波动者）等。

相关单词有：

fluctuation是一个常用的英语单词，表示波动的状态，可以引申为起伏、不稳定的意思。它可以作为名词和动词使用，例如“价格波动”、“市场不稳定”等。

fluctuant意为波动的，可以引申为不稳定的、易变的。这个词常用于描述液体、气体等物质的动态变化。

fluctuator是一个物理学名词，指的是波动器，用于产生波动信号。这个词也可以用于描述波动者、波动力量等含义。

总之，Fluctuates作为英语单词，可以用于描述物质或现象的波动、起伏、不稳定的状态，具有丰富的词汇意义和用法。

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 时而波动

5. fluctuate regularly 规律地波动

6. fluctuate sharply 急剧波动

7. fluctuate slowly 缓慢波动

双语例句：

1. Prices fluctuate between highs and lows. (价格在高低之间波动。)

2. The stock market fluctuates up and down every day. (股市每天上下波动。)

3. The temperature fluctuates with the seasons. (温度随着季节波动。)

4. The amount of money in the bank fluctuates with each withdrawal and deposit. (银行里的钱随着每次取款和存款而波动。)

5. The number of customers fluctuates with the season and promotions. (客户数量随着季节和促销而波动。)

6. The price of oil fluctuates sharply with the news. (油价随着新闻消息而急剧波动。)

7. The level of unemployment fluctuates slowly with changes in the economy. (随着经济的变化，失业率缓慢波动。)

英文小作文：

Fluctuating Nature - Life Is Like A Wave

Life is like a wave, fluctuating up and down, sometimes high, sometimes low. We experience peaks of happiness and success, but also valleys of sorrow and failure. However, this fluctuation is not only natural, but also necessary for growth and development.

Through ups and downs, we learn to adapt and overcome challenges. We gain experience, wisdom, and resilience, which help us become stronger and more resilient individuals. Moreover, fluctuations teach us to appreciate the good times more, knowing that they will eventually come to an end, and we need to be ready for the next wave of life.

In conclusion, life is a journey of constant change and fluctuation, and it is only through embracing this reality that we can truly experience its beauty and richness. Let us embrace the wave of life, learning from its peaks and valleys, and moving forward with courage and determination.