ra·di·ance /ˈrediən(t)s/
 光輝,閃爍,容光煥發
 Ra·di·ance Ra·di·an·cy n. The quality of being radiant; brilliancy; effulgence; vivid brightness; as, the radiance of the sun.
    Girt with omnipotence, with radiance crowned.   --Milton.
 What radiancy of glory,
 What light beyond compare !   --Neale.
 Syn: -- Luster; brilliancy; splendor; glare; glitter.
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 radiance
      n 1: the amount of electromagnetic radiation leaving or arriving
           at a point on a surface [syn: glow, glowing]
      2: the quality of being bright and sending out rays of light
         [syn: radiancy, shine, effulgence, refulgence, refulgency]
      3: an attractive combination of good health and happiness; "the
         radiance of her countenance"