radio-
combining form /reɪdiəʊ/, /reɪdiˈɒ/
/reɪdiəʊ/, /reɪdiˈɑː/
in nouns, adjectives and adverbs- connected with radio waves or broadcasting
无线电波的；无线电广播的 - radio-controlled
无线电遥控的
- radio-controlled
- connected with radioactivity
放射的；辐射的 - radiotherapy
放射疗法
- radiotherapy
词源from radio or radius.