radius
🇺🇸
/ˈreɪdiəs/
🇬🇧
/ˈreɪdiəs/
noun
R
A straight line from the center of a circle to its edge, or how long that line is.
The radius of the circle is 3 inches.
这个圆的半径是3英寸。
R
A round area around a center point, measured by distance from that point.
The restaurant delivers within a 2-mile radius.
这家餐厅在2英里半径范围内提供配送服务。
R
The shorter bone in your lower arm, on the thumb side.
He broke the radius in his arm when he fell.
他摔倒时手臂的桡骨骨折了。
translation
半径, 桡骨
词形变化
Plural
radiuses