radius
n
(pl -dii )
1 (length of a) straight line from the centre of a circle or sphere to any point on its circumference or surface 半径(距离). =>App 5 见附录 5. =>illus at circle 见circle插图.
2 circular area measured by its radius 用半径度量的圆形面积; 半径范围
Police searched all the woods within a six-mile radius/within a radius of six miles. 警方搜索了在周围六英里以内的树林各处.
3 (anatomy 解) outer shorter bone in the human forearm; corresponding bone in an animal's foreleg or a bird's wing (人与兽的)桡骨; 鸟翼中相当於桡骨的骨. =>illus at skeleton 见skeleton插图. Cf 参看 ulna.
🎯 考研助记
收音机(radio)的 半径有美国(us)那么大
🔁 扩展释义
*['reidiәs]n. 半径, 范围, 辐射光线【电】 半径
🏥 医学释义
①桡骨 ②半径
🌿 同词根单词
radion. 无线电;收音机;无线电广播台;无线电收发报机;
vt.& vi. 用无线电发送讯息;作无线电广播;用X射线拍照;
Wait, Shylock. The law of Venice says that if anyone tries to kill or murder any citizen of Venice, everything that he owns shall be taken away from him.
等一等,夏洛克。威尼斯的法律规定任何企图杀害或谋害任何威尼斯公民的人,他所有的一切必须被没收。
My teacher's gifted instruction lived on after her death.
我的教师逝世后,她宝贵的教诲仍继续长存。
When he returned to India he spoke in public about the situation in South Africa.