椭圆

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Character Breakdown

Meaning and Usage

The word 椭圆 (tuǒyuán) refers to an oval or elliptical shape, commonly used in geometry and everyday descriptions of objects. It combines the characters for 'elliptical' () and 'circle' (), emphasizing a shape that is like a stretched circle.

Common Contexts

椭圆 is often used to describe shapes in sports facilities (like running tracks), furniture design, and natural forms. It is more specific than just 'circle' and implies elongation.

Collocations and Patterns

  • 椭圆 (tuǒyuán xíng): oval shape, the most common collocation.
  • 椭圆轨道 (tuǒyuán guǐdào): elliptical orbit, used in astronomy.
  • 椭圆线 (tuǒyuán qūxiàn): elliptical curve, used in mathematics.

Usage Notes

椭圆 is a neutral, formal term suitable for both spoken and written Chinese. It is often contrasted with (yuánxíng, circular shape) to highlight the difference in shape. Avoid confusing it with , which strictly means circle without elongation.

Summary

Use 椭圆 when you want to describe an oval or elliptical shape precisely, especially in technical, design, or scientific contexts. It helps convey a shape that is not perfectly round but stretched along one axis.

Example Sentences

The track of this sports field is oval-shaped, suitable for long-distance

An oval is not only a geometric figure but also often used to describe the

The designer chose an oval-shaped table because it fits better in a small