radius

/ˈreɪdiəs/📚 9631 48 1四级六级考研托福雅思
The radius around a particular point is the distance from it in any direction. 范围

noun [抽象名词]半径;半径范围,周围;(剖)桡骨;(昆)径脉;(棘皮动物或腔肠动物的)辐射对称轴

Nick has searched for work in a ten-mile radius around his home.
尼克已经在以家为中心10英里的范围内寻找工作。

verb [vt. 及物动词]使(角,边缘)成弧形

He indicated a semicircle with a radius of about thirty miles.
他标示出一个半径大约三十英里的半圆。

noun [专属名词]【名】 (Radius)(意、印尼)拉迪乌斯,(英)雷迪厄斯,(法)拉迪于斯(人名)

The radiation radius of the radioactive radium radiator in the stadium is variable.
放射性的镭散热器在体育场的辐射半径是可变的。

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