radiant
/ˈreɪdiənt/📚 9951 1六级考研托福Someone who is radiant is so happy that their happiness shows in their face. 容光焕发的
adjective [原级]容光焕发的，喜悦的；明亮的，灿烂的；（热、能量）辐射的；（情感、品质）强烈的，显著的
On her wedding day the bride looked truly radiant.
在她婚礼那天，新娘看起来真的是容光焕发。
noun [专属名词]辐射源（尤指电热器或气热器的产热部分）；（天文）辐射点
The earth would be a frozen ball if it were not for the radiant heat of the sun.
要是没有太阳的辐射热，地球将会是一个冰冻的球体。
radi(光线， 射线) + ant → 发光的 → 容光焕发的
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