相關(guān)單詞同義詞semidiameter, 近義詞 circle 圓圈, breadth 寬度, line 線, distance 距離, length 長(zhǎng)度, area 面積, range 范圍, ambit （權(quán)勢(shì)等的）范圍..., extent 廣度, bounds 界限, scope 機(jī)會(huì)area of influence, 影響區(qū)域, 影響面積..., umbrella 傘, reach 到達(dá), sweep 打掃, remit 匯出, r 字母r, spoke 輪輻, wheel spoke 輪輻臨近詞radix, radium, Radiusi, radiused, radiusing, radius bar, radius die, radius tap, radiuscope, radius arm, radius rod, radius tip相似詞radiotherapy, radioulnar, radish, radium, radix, Radnorshire, radon, Rafferty's rules, 返回 radius