英语词汇“radius”的读音、翻译、释义、用法及例句-初旭网

词汇	radius
释义	ra.di.us[`redɪəs; ˈreidjəs]《源自拉丁文“ (车轮的) 辐”的意思》可数名词(pl. -di.i[-da; -diai], ~.es) 1 半径 (cf. diameter) What [How long] is the ~ of this circle?.这个圆的半径有多长? 2 a. 半径范围, 以半径画成的圆形面积[of] within a ~ of three miles在半径三哩范围以内 b. [活动、能力等的] 范围, 区域[of] the ~ of action行动范围 3‘解剖’桡骨 (与尺骨 (ulna) 形成前腕)
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