the radiancy of something
The radiancy of the sunrise filled the sky.
日出的光辉充满了天空。
辐射；光辉；光彩
辐射的性质；光辉。；发射的能量量,辐射通量。；辐射率
the quality of being bright and sending out rays of light
辐射的性质；光辉。
The property of being radiant; radiance
发射的能量量,辐射通量。
The amount of energy emitted, flux.
The radiancy of the morning sun filled the valley with warmth and light.
早晨太阳的光辉使山谷充满了温暖和光明。
用法提示：radiancy 在此句表示太阳的辐射光辉，作主语。
The diamond's radiancy captivated everyone at the exhibition.
钻石的光彩吸引了展览上的每个人。
用法提示：radiancy 在此句表示宝石的光彩，作主语。
Her smile had a radiancy that could brighten the darkest room.
她的微笑有一种光彩，能照亮最黑暗的房间。
用法提示：radiancy 在此句表示笑容的光辉，作宾语。
The radiancy of the sunrise filled the sky.
日出的光辉充满了天空。
The stars shone with radiancy.
星星闪耀着光辉。
Her eyes were full of radiancy.
她的眼睛充满了光彩。
grammar · medium
易错句子She has a radiancy personality.
正确表达She has a radiant personality.
radiancy 是名词，意为‘光辉、辐射率’，不能直接修饰名词。表示‘光彩照人的’应使用形容词 radiant。
grammar · medium
易错句子The radiancy from the nuclear plant is dangerous.
正确表达The radiation from the nuclear plant is dangerous.
radiancy 指‘光辉、光彩’或物理中的‘辐射率’，不表示有害的核辐射。表示核辐射应使用名词 radiation。
radiance更常用，radiancy较罕见
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