| 释义 |
radius美 ['reɪdiəs] 英 ['reɪdiəs] - n.桡骨；半径范围；半径（长度）；周围
- 网络远程用户拨号认证系统(remote authentication dial in user service)；界限；辐射光线
n. line,distance,length,area,range 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 |
n. | 9. (车轮的)辐;【物理学】辐射线;【无线电】径向射线;辐射物;(六分仪等的)针;【纺织;印染】杼 9. (车轮的)辐;【物理学】辐射线;【无线电】径向射线;辐射物;(六分仪等的)针;【纺织;印染】杼 | adj. | |
n. | 1. a straight line extending from the center of a circle to its edge or from the center of a sphere to its surface. 2. an area enclosed by a circle that has a radius of a particular length 3. the area or range within which somebody or something can act, work, or exert influence effectively 4. the shorter and thicker of the two bones in the human forearm, the one on the thumb side, or the equivalent bone in the lower forelimbs of animals 5. a radiating line, part, or structure 6. the distance from the centre of a circle to its edge, or a straight line from the centre to the edge 7. the larger outer bone in the lower arm, next to the ulna 1. a straight line extending from the center of a circle to its edge or from the center of a sphere to its surface. 2. an area enclosed by a circle that has a radius of a particular length 3. the area or range within which somebody or something can act, work, or exert influence effectively 4. the shorter and thicker of the two bones in the human forearm, the one on the thumb side, or the equivalent bone in the lower forelimbs of animals 5. a radiating line, part, or structure 6. the distance from the centre of a circle to its edge, or a straight line from the centre to the edge 7. the larger outer bone in the lower arm, next to the ulna |
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