noun, punctuation · direct light from the sun

清晨的阳光洒进了房间。

noun · open to public scrutiny; characterized by openness and lack of corruption

政府承诺将推行阳光政务，提高工作透明度。

adjective · (of personality) cheerful, positive, and energetic

他性格阳光，总能给周围的人带来快乐。