circular

circular的音标是[ˈsɪkjələr]，基本翻译是圆形的、循环的，速记技巧可以是“圈里赛跑”（即“circular”谐音“圈里赛跑”）。

Circular这个词源自拉丁语，意为“圆形的”。它的变化形式主要有复数形式circles，过去式circle和过去分词circled。

相关单词：

1. Circle（圆；圈子；循环） - 这个词在英语中非常常见，表示一个完全封闭的曲线，通常在数学和图形表示中使用。

2. Sphere（球体；球形） - 球体和圆形的形状非常相似，但球体是一个三维的形状，而圆形是二维的。

3. Elipse（椭圆形） - 当一个圆形的弧线变成更扁的形状时，就变成了椭圆形。

4. Revolution（旋转；循环；回旋） - 这是一个与圆形相关的动作，表示物体围绕一个中心点旋转。

5. Concentric（同心；同心圆） - 指那些围绕一个中心点排列的圆形。

6. Cyclical（周期性的） - 这个词描述的是一系列循环发生的事件或过程。

7. Diameter（直径） - 圆的测量单位，指的是连接圆上任意两点的一条线段。

8. Angular（角的；角度的） - 圆形没有角度，但其他形状通常有。

9. Circumference（圆周；周长） - 描述圆或环形一周的长度。

10. Conjugate（共轭的） - 在数学和物理中，这个词用来描述两个几何图形（如圆和椭圆）之间的特殊关系。

常用短语：

1. circular motion 圆周运动

2. circular reasoning 循环论证

3. circular economy 循环经济

4. circular supply chain 循环供应链

5. circular economy award 循环经济奖

6. circular economy movement 循环经济运动

7. circular economy strategy 循环经济战略

8. circular economy culture 循环经济文化

例句：

1. The satellite is in circular motion around the earth.

2. His argument is circular because he keeps repeating the same thing over and over again.

3. We need to promote a circular economy to protect the environment.

4. The supply chain should be circular to reduce waste.

5. The award is given to individuals or organizations who promote a circular economy.

6. The government should implement a circular economy strategy to reduce pollution.

7. We need to cultivate a culture of sustainability and circular economy to protect our planet.

英文小作文：

Protecting Our Planet Through a Circular Economy

Our planet is facing many environmental challenges, and we need to take action now to protect it for future generations. One way to do this is through a circular economy, which aims to reduce waste and maximize the use of resources.

Circular economies encourage recycling, reusing, and repairing, while also promoting the development of sustainable products and materials. This approach helps to reduce our carbon footprint and minimize the impact of our consumption habits on the environment.

From designing products that can be repaired instead of replaced to using recycled materials in our daily lives, there are many ways we can support a circular economy. By adopting these practices, we can help create a healthier planet for future generations.

In conclusion, a circular economy is essential for protecting our planet and ensuring a sustainable future. By adopting sustainable practices and supporting companies and organizations that promote a circular economy, we can all play a part in protecting our planet and creating a better world for future generations.