[ 'reidiәj- ] pref. 放射, 辐射 [医] 放射, 辐射, 桡骨 A combining form indicating connection with, or relation to, a radius or ray; specifically (Anat.), with the radius of the forearm; as, radio-ulnar, radio-muscular, radio-carpal. 英汉双解字典由 ECDICT 提供