radius

radiusradiusD.J.:[ˈreidjəs]K.K.:[ˈrediəs]n.1.■半径(距离)We are measuring the radius of the circle.我们正在测量圆的半径。2.■用半径度量的圆形面积; 半径范围He has visited every shop within a radius of two miles.周围两英里以内的店铺他都去过。

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radius['reidiəs]n.1.■半径；半径距离(或范围)2.■辐射状部分(如车轮上的辐条)3.■辐射光线4.■范围；界限5.■有效航程6.■【解剖学】桡骨；(海胆等的)径骨；(昆虫的)径脉7.■偏心距，偏心度8.■弧形角，弧形边outside of the radius of knowledge在知识范围之外within the radius of knowledge在知识范围之内变形n.radiiradiuses

radiusradius[ˈreidjəs]n.(pl. radii [ˈreidiai])1.■半径; 半径范围2.■(车轮的)辐条3.■(用半径度量的)圆形面积4.■【解】挠骨5.■【物】辐射 线6.■【无】径向射线; 辐射物7.■【植】(菊科的)边花8.■(昆虫的)径脉The police searched all the fields and woods within a radius of two miles.警察搜查了半径两英里范围内所有的田野和森林。

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词性变化radius[ˈreidjəs]vt.1.■旋, 铣; 使(切)成圆角