阳光 (yáng guāng) means “sunlight” | MotiTan Chinese Dictionary

More examples

窗帘一拉开，阳光就照进房间。chuāng lián yì lā kāi yáng guāng jiù zhào jìn fáng jiān

As soon as the curtains are opened, sunlight shines into the room.

Light from the sun that brightens and warms a space, with a natural sense of brightness and cheer.

光guāng: Light that makes things bright or gives off a glow.
日光rì guāng: Direct light from the sun that reaches the earth on a clear day.

从太阳发出的光线，常指能照亮或带来温暖的那部分光。cóng tài yáng fā chū de guāng xiàn cháng zhǐ néng zhào liàng huò dài lái wēn nuǎn de nà bù fèn guāng

阳 (yáng, "sunshine") + 光 (guāng, "light") makes the meaning transparent: light from the sun becomes a word for a sunny, positive quality as well.

Chinese can place 阳光 (yángguāng, "sunlight") before a noun to describe a bright, cheerful quality, including in descriptions of people, smiles, and styles.