circumscribe

circumscribe的音标为[ˈsɜːkmɪskəʊn]，基本翻译为“画圆周，作圆周，划定…的界限”，速记技巧为“circum-围住-scribe-写”。

circumscribe这个词源自拉丁语词根circum，意为“周围”或“环绕”，加上动词词根scribere，意为“写”或“画”。因此，circumscribe的意思是“画（或描述）周围的边界”。

变化形式：通常加-ed构成过去式和过去分词，如circumscribed；也可以加-s构成现在分词，如circumscribing。

相关单词：

1. boundary：边界，这个词和circumscribe一样都含有“周围”的意思。

2. outline：轮廓，out来自outside，表示外部；line来自line up，表示排列。因此outline意为排列出的外部轮廓。

3. describe：描述，这个词和circumscribe同源，都含有画或写周围边界的意思。

4. circumscription：限制，circumscribe的现在分词形式，表示限制在周围范围内。

5. perimeter：周长，per来自perimeter，表示“每”加上“边缘”的意思。

6. boundary line：分界线，boundary line是boundary和line的组合，表示分界线。

7. outline map：轮廓图，outline map是outline和map的组合，表示描绘出的地图轮廓。

8. circumscribable：可描绘的，circumscribable是circumscribe的形容词形式，表示可以描绘的。

9. circumscribing：描绘的，circumscribing是circumscribe的现在分词形式，表示描绘的动作。

10. circumscribed：被描绘的，circumscribed是circumscribe的过去式和过去分词形式，表示被描绘的状态。

常用短语：

1. circumscribe a figure

2. circumscribe a circle

3. circumscribe a square

4. circumscribe a triangle

5. inscribe in

6. outline

7. boundary

双语例句：

1. The circle is circumscribed around the square.

2. The figure is difficult to circumscribe accurately.

3. The square is inscribed in a circle.

4. The boundary between the two countries is difficult to circumscribe.

5. The outline of the building is easy to circumscribe.

6. The shape of the object cannot be easily circumscribed.

英文小作文：

The Shape of a Circle and Its Circumscription

Circles are a basic shape in geometry, and they can be easily drawn using a pencil and paper. However, when we consider the circumscription of a circle, it becomes more complex because it involves understanding how the circle interacts with other shapes, such as squares, triangles, and rectangles. When we draw a circle around a square, for example, we see that the square becomes smaller and its sides are curved, which is an interesting phenomenon to observe. Similarly, when we consider other shapes such as triangles or rectangles, we see how they interact with the circle and how their boundaries change when they are circumscribed. Understanding these relationships can help us to better understand how shapes interact with each other and how they change depending on their environment.