这幅画的背景中，艺术家用金色描绘了灿烂的阳光。

In the background of this painting, the artist used gold to depict the radiant ___sun.

她的笑声有一种阳光般灿烂的特质，让整个派对都活跃起来。

Her laughter had a ___sunny quality that brightened up the whole party.