radius 英 [ˈreɪdiəs] 　 美 [ˈrediəs]

radius

radius　 英 [ˈreɪdiəs] 美 [ˈrediəs]

n. 半径，半径范围；[解剖] 桡骨；辐射光线；有效航程　

名词复数:radii　

And so the radius of this...　因此它的半径。
In their model, the radius is the distance from the centre of the animal to its skin.　在他们的模型中，半径是从动物中（重）心到其皮肤的距离。

  • 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.
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  • n. 半径，半径范围；[解剖] 桡骨；辐射光线；有效航程

  • 1. And so the radius of this...

    因此它的半径。

  • 2. In their model, the radius is the distance from the centre of the animal to its skin.

    在他们的模型中，半径是从动物中（重）心到其皮肤的距离。

  • 3. The radiation radius of the radioactive radium radiator in the stadium is variable.

    放射性的镭暖气装置的辐射半径在体育场是易变的。

  • radius (n.) 1590s, "cross-shaft," from Latin radius "staff, stake, rod; spoke of a wheel; ray of light, beam of light; radius of a circle," of unknown origin. Perhaps related to radix "root," but de Vaan finds that "unlikely."
ra·dius / ˈreɪdiəs ; NAmE ˈreɪdiəs / noun ( plural radii / ˈreɪdiaɪ ; NAmE ˈreɪdiaɪ / ) 1 a straight line between the centre of a circle and any point on its outer edge; the length of this line 半径（长度） ☞compare diameter  (1 ) 2 a round area that covers the distance mentioned from a central point 半径范围；周围 ◆ 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 ( anatomy 解 ) 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 桡骨 ☞see also ulna radius radii ra·dius / ˈreɪdiəs ; NAmE ˈreɪdiəs / radii / ˈreɪdiaɪ ; NAmE ˈreɪdiaɪ /
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词频排名 noun:9620
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