Level 5 · word 7,501 of 20,000
radius
/ˈreɪdiəs/
American
- n. 半径, 范围
- Definition
- n. the distance from the center of a circle to its edge, or an area around a point
- Example
- The circle has a radius of five centimeters.
- 这个圆的半径是五厘米。