mid-15c., from Middle French radiant and directly from Latin radiantem (nominative radians) "beaming, shining," present participle of radiare "to beam, shine" (see radiation). Of beauty, etc., first attested c. 1500. Related: Radiantly.
radiant (n.)
"point or object from which light radiates," 1727; see radiant (adj.). In astronomy, of meteor showers, from 1864.
权威例句
1. For 40 years she has captivated the world with her radiant looks.
40年来,她那令人惊艳的美貌让全世界为之痴迷。
2. Out on the bay the morning is radiant.
海湾里的早晨阳光灿烂。
3. Kathy smiled at her daughter's radiant face.
凯茜对着女儿容光焕发的面孔微笑着。
4. The bride looked radiant.
新娘看上去满面春风。
5. He gave a radiant smile when he heard the news.