1. | 半径(长度)a straight line between the centre of a circle and any point on its outer edge; the length of this line |
2. | 半径范围;周围a round area that covers the distance mentioned from a central point |
They deliver to within a 5-mile radius of the store. 他们对距离店铺 5 英里的范围内送货上门。 |
3. | 桡骨the shorter bone of the two bones in the lower part of the arm between the elbow and the wrist, on the same side as the thumb |