Radius
01
半径, 半直径
the length of a straight line drawn from the center of a circle to any point on its outer boundary
语法信息
有生性状态
无生命
形态构成
简单词
可数
复数形式
radii
例子
A compass is a tool used to draw circles, with the radius adjusted to the desired measurement.
圆规是一种用来画圆的工具，半径可调整到所需的尺寸。
02
辐条, 车轮辐条
a supporting radial member of a wheel connecting the hub to the rim
例子
Mechanics replaced a damaged radius on the wheel.
机械师更换了车轮上损坏的 辐条。
03
半径, 半径
a circular region defined by the distance from its center, indicated by the radius
例子
Emergency services cover a radius of 10 kilometers.
紧急服务覆盖10公里的半径。
04
桡骨, 前臂外侧骨
the outer and slightly shorter of the two bones of the human forearm
例子
X-rays showed a clean break of the radius.
X光显示桡骨有干净骨折。
