沉浸 (chén jìn): to soak; to permeate; to immerse

Every weekend, she immerses herself in the sea of books in the library, sitting there for a whole day.

The children were so immersed in the fun of building with blocks that they didn't even hear their mother call them to eat.

Hearing this old song, he was lost in memories of his college days and didn't speak for a long time.

Before the interview, he was immersed in nervousness and even forgot his prepared self-introduction.

Artists often immerse themselves in creation and forget the passage of time.