If something or someone is steeped in something, they are completely surrounded by or involved in it, or know a lot about it.

The college is steeped in history/tradition. 这所学院有着浓厚的历史／传统氛围。

These ancient scholars were steeped in poetry and painting, as well as maths and astronomy. 这些古代学者精通诗歌和绘画，同时对数学和天文学也深有研究。