n.半径(长度)，桡骨，周围

原形：radius复数：radii

They can compute the circular area with radius.
他们能用半径计算出圆的面积。
What is the radius of this ball?
这个球的半径有多长？
Eric is not restricted to a choice within a small radius.
埃里克不局限于小范围内的选择。
The radius of this circle is 5 centimeters.
这个圆的半径是5厘米。
The distance from the center of a sphere to any point on its surface is called the radius.
从球心到其表面任意一点的距离称为半径。
The tree's canopy had a diameter of 10 meters, so its radius was 5 meters.
这棵树的树冠直径有10米，所以它的半径是5米。
The radius of a planet is the distance from its center to its surface.
行星的半径是从其中心到其表面的距离。
The stone was thrown with such force that its trajectory had a large radius.
那块石头扔得如此有力，以至于它的轨迹半径很大。
The radius of a circle determines its circumference.
圆的半径决定了它的周长。
In a right-angled triangle, the hypotenuse is the radius of the circumcircle.
在直角三角形中，斜边是外接圆的半径。
The radius of a gear determines the force it can transmit.
齿轮的半径决定了它能传递的力。
The electron's orbit around the nucleus has a specific radius.
电子围绕原子核的轨道具有特定的半径。
The radius of a cone is the distance from its vertex to the edge of the base.
圆锥的半径是从其顶点到底面边缘的距离。