释义 |
半径 bàn jìng ★★☆☆☆n.名词⁰·⁰⁰³⁶ᴾᵃ³⁶⁰⁰ 基本例句 radiusradiisemidiameterradial繁体半徑曲轴的半径曲柄、凸轮或类似机器部件形成的圆的半径The radius of a circle described by a crank, cam, or similar machine part. 住在离城中心半径25英里的范围内的家庭Every family within a radius of25 miles of the city center. 警察搜查了半径两英里范围内所有的田野和森林。The police searched all the fields and woods within a radius of two miles. 我们能用半径计算出圆的面积。We can compute the circular area with radius. |