Welcome to our comprehensive guide on the Chinese term 直径 (zhí jìng). In this article, we will delve deep into its meaning, grammatical structure, and provide numerous example sentences to help you grasp its usage. Understanding 直径 is essential for anyone keen on learning Chinese, as it is frequently used in various contexts, particularly in mathematics and sciences.
What is 直径 (zhí jìng)?
直径 (zhí jìng) translates to “diameter” in English. It is a term mainly used in geometry to describe a straight line that passes through the center of a circle, connecting two points on its circumference. Understanding the concept of diameter is fundamental in fields such as mathematics, engineering, and physics.
Breaking Down the Meaning
The word 直径 can be divided into two characters:
- 直 (zhí): This character means “straight” or “direct.”
- 径 (jìng): This character refers to a “path” or “route.” Together, these characters form the concept of a straight path through the center of a circle.
Grammatical Structure of 直径 (zhí jìng)
In Mandarin Chinese, 直径 is a noun, making it relatively straightforward in terms of grammar. Here’s a closer look at its grammatical features:
Sentence Role
As a noun, 直径 can be used as a subject, object, or complement in a sentence. It can also be modified by adjectives to describe various properties of the diameter.
Sentence Structure
Here are some key ways to structure sentences using the term 直径:
- Subject + Verb + 直径: Example – 圆的直径是 10 厘米。(The diameter of the circle is 10 centimeters.)
- 直径 + 的 + Noun: Example – 直径和半径的关系非常重要。(The relationship between diameter and radius is very important.)
- Adjective + 直径: Example – 这条直径是最长的。(This diameter is the longest.)
Example Sentences Using 直径 (zhí jìng)
To further demonstrate the usage of 直径 (zhí jìng), let’s look at some example sentences:
Simple Sentences
- 这个圆的直径是5厘米。
(The diameter of this circle is 5 centimeters.) - 直径越大,圆的面积也越大。
(The larger the diameter, the larger the area of the circle.)
Complex Sentences
- 在数学中,直径是一个基本的概念,对于理解圆的性质非常重要。
(In mathematics, the diameter is a fundamental concept that is crucial for understanding the properties of circles.) - 通过比较直径和半径,学生们可以更好地理解圆的几何形状。
(By comparing the diameter and radius, students can better understand the geometric shape of a circle.)
Practical Application
- 在设计这个水池时,工程师们决定直径为3米,以确保足够的水容量。
(In designing this pool, the engineers decided on a diameter of 3 meters to ensure sufficient water capacity.) - 科学家测量了星球的直径,以计算它的体积和质量。
(Scientists measured the diameter of the planet to calculate its volume and mass.)
Conclusion
In conclusion, 直径 (zhí jìng) is a significant term in the Chinese language, essential for anyone studying mathematics or related fields. By understanding its meaning, grammatical structure, and practical usage through the example sentences provided, learners can enhance their language skills and comprehension. Whether you are a student, a teacher, or simply an enthusiast of the Chinese language, grasping terms like 直径 will undoubtedly enrich your understanding of mathematics and science in Chinese.

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