radius

中英词典：radius

形容词

radius (adj.) 1. 指半径的；半径状的。 2. 指由金属制成的，弧形的。

名词

radius (n.) 1. [数学] 半径。 2. [解剖] 桡骨。 3. (复数形式：radii or radiuses) 辐；辐射状物。 4. (复数形式：radii or radiuses) [机] 放射线。 5. (复数形式：radii or radiuses) [天] [物] 半径。 6. [天] 半径状天体。 7. [地理] (复数形式：radii or radiuses) 半径，范围。

词语辨析

radius 和 diameter 都是与圆形相关的词汇。其中，radius 指的是从圆心到圆周任意点的直线段的长度，而 diameter 则指的是通过圆心的直径线段的长度。

词汇扩充

radius (n.) 1. [解剖] 桡骨。 2. [天] [物] 半径。 3. (复数形式：radii) [数学] 曲线的半径。 4. (复数形式：radii) [机] 放射线。 5. (复数形式：radii) [天] 半径状天体。 6. (复数形式：radii) [地理] 范围。

近义词

1. (名词) extent, scope, range, reach, span 2. (形容词) radial, radiate, round

反义词

1. (名词) center, core 2. (形容词) central, inner

柯林斯词典

radius (n.) 1. The radius of a circle or sphere is the distance from its centre to any point on its circumference or surface. 2. The radius of a curve or circle is the length of the line forming the curve or circle. 3. The radius of an object, especially something circular or cylindrical, is its thickness or the distance between its centre and its outer edge or surface. 4. A radius is a straight line which links the centre of a circle or sphere with any point on the circumference or surface. 5. The radius of an area within which something happens or exists is the distance between its outer edge and the centre of activity or existence. 6. The radius of a wheel or tyre is the distance between its centre and its outer edge. 7. The radius of a bone is the bone itself.

牛津词典

radius (n.) 1. (plural radii /ˈreɪdɪʌɪ, ˈreɪdɪi/ or radiuses /ˈreɪdɪəsɪz/) [数学] 半径 2. (plural radii /ˈreɪdɪʌɪ, ˈreɪdɪi/ or radiuses /ˈreɪdɪəsɪz/) [解剖] 桡骨 3. (plural radii /ˈreɪdɪʌɪ, ˈreɪdɪi/ or radiuses /ˈreɪdɪəsɪz/) 辐；辐射状物 4. (plural radii /ˈreɪdɪʌɪ, ˈreɪdɪi/ or radiuses /ˈreɪdɪəsɪz/) [机] 放射线 5. (plural radii /ˈreɪdɪʌɪ, ˈreɪdɪi/ or radiuses /ˈreɪdɪəsɪz/) [天] [物] 半径 6. [天] 半径状天体 7. (plural radii /ˈreɪdɪʌɪ, ˈreɪdɪi/ or radiuses /ˈreɪdɪəsɪz/) [地理] 半径，范围

用法

名词用法示例：

1. The radius of a circle is half its diameter. 圆的半径是其直径的一半。 2. The radius of a sphere is the distance from its center to any point on its surface. 球的半径是从其中心到其表面上任一点的距离。 3. The radius of a wheel is the distance between the center of the wheel and its outer edge. 车轮的半径是车轮中心与其外沿之间的距离。

形容词用法示例：

1. The radius bone is the smaller of the two bones in the lower part of your arm, between your elbow and your wrist. 桡骨是你的前臂下部两块骨头中较小的一块，位于你的肘关节和手腕之间。 2. The wheel has a radius of 30 centimeters. 这个车轮的半径是30厘米。

中英双语对照例句

1. The radius of the circle is 5 centimeters. - 这个圆的半径是5厘米。 2. The radius of the sphere is 10 meters. - 这个球的半径是10米。 3. The radius of the wheel is too small. - 这个车轮的半径太小了。 4. The doctor examined the patient's radius. - 医生检查了病人的桡骨。 5. The radius of the explosion was extensive. - 爆炸的半径范围很大。 6. The radius of the blast was measured. - 爆炸的半径被测量了。 7. The radius of the hurricane covered a large area. - 飓风的半径覆盖了一个大区域。 8. The wheel's radius is 25 inches. - 这个车轮的半径是25英寸。 9. The radius of the circular table is 2 meters. - 这个圆形桌子的半径是2米。 10. The radius of the planet is 6,371 kilometers. - 这个星球的半径是6,371千米。 11. The radius of the circle is twice the length of the diameter. - 圆的半径是直径长度的两倍。 12. The radius of the wheel needs to be adjusted. - 需要调整车轮的半径。 13. The radius of the explosion was measured using advanced equipment. - 使用先进设备测量了爆炸的半径。 14. The radius of the blast caused significant damage. - 爆炸的半径造成了重大损害。 15. The radius of the hurricane expanded rapidly. - 飓风的半径迅速扩大。 16. The radius of the circle can be calculated using the formula r = d/2. - 圆的半径可以用公式 r = d/2 计算。 17. The radius of the sphere is an important parameter in geometry. - 球的半径是几何学中的一个重要参数。 18. The radius of the wheel is crucial for its performance. - 车轮的半径对其性能至关重要。 19. The doctor examined the patient's fractured radius. - 医生检查了患者骨折的桡骨。 20. The radius of the explosion determined the impact area. - 爆炸的半径确定了影响区域。