radiant [ˈreɪdiənt]

以下由轻松背单词网站提供

adj.容光焕发的，光芒四射的，辐射的

obviously very happy , or very beautiful

He gave a radiant smile when he heard the news. 他听到这个消息后露出欣喜的微笑。
She was radiant with joy. 她高兴得容光焕发。