Question

radius n.半径范围；半径；桡骨；辐射区 (1) 不允许任何人进入工作半径范围以内。(2) 这个圆的半径有多长?(3) 我们能用半径计算出圆的面积。(4) 桡骨下端明显扩张。(5) 警察搜索了在周围六英里以内的树林各处。 The radius of a circle is the distance from its center to the circumference, and if you are working on your geometry homework, or designing anything circular, you'll be writing down a little "r" quite frequently, to stand for "radius." It's also the name of one of the bones in your forearm.

Accepted Answer

英 ['reɪdiəs] 美 ['reɪdiəs] (1) Nobody is allowed to enter the operation radius.(2) What is the radius of this circle?(3) We can compute the circular area with radius.(4) The radius expands markedly at its lower end.(5) The police searched all the woods within a six-mile radius. If you're a detective working a crime investigation, you might be told to "search over a one-mile radius," meaning, scope out everything that's within one mile of the crime scene. 1[N-SING 单数名词]半径范围；半径距离 The radius around a particular point is the distance from it in any direction.   [with supp]Nigel has searched for work in a ten-mile radius around his home.奈杰尔一直在他家周围10英里的范围内找工作。2[N-COUNT 可数名词]半径 The radius of a circle is the distance from its centre to its outside edge. He indicated a semicircle with a radius of about thirty miles.他标示出了一个半径大约为30英里的半圆形。

英语单词	radius
英美音标	英 ['reɪdiəs] 美 ['reɪdiəs]
中文释义	n.半径范围；半径；桡骨；辐射区
英语例句	(1) Nobody is allowed to enter the operation radius. (2) What is the radius of this circle? (3) We can compute the circular area with radius. (4) The radius expands markedly at its lower end. (5) The police searched all the woods within a six-mile radius.
中文例句	(1) 不允许任何人进入工作半径范围以内。 (2) 这个圆的半径有多长? (3) 我们能用半径计算出圆的面积。 (4) 桡骨下端明显扩张。 (5) 警察搜索了在周围六英里以内的树林各处。
vocabulary简明	If you're a detective working a crime investigation, you might be told to "search over a one-mile radius," meaning, scope out everything that's within one mile of the crime scene.
vocabulary扩展	The radius of a circle is the distance from its center to the circumference, and if you are working on your geometry homework, or designing anything circular, you'll be writing down a little "r" quite frequently, to stand for "radius." It's also the name of one of the bones in your forearm.
柯林斯解释	1 [N-SING 单数名词]半径范围；半径距离 The radius around a particular point is the distance from it in any direction. [with supp] Nigel has searched for work in a ten-mile radius around his home. 奈杰尔一直在他家周围10英里的范围内找工作。 2 [N-COUNT 可数名词]半径 The radius of a circle is the distance from its centre to its outside edge. He indicated a semicircle with a radius of about thirty miles. 他标示出了一个半径大约为30英里的半圆形。

Radius Distance Searched Working Crime Circle 英 Reɪdiəs] 美