immerse (oneself) in (something)

Translations
погружаться в (что-то)
She decided to immerse herself in her studies to improve her grades.
Она решила погрузиться в учебу, чтобы улучшить свои оценки.
Definitions
To fully engage or involve oneself in a particular activity, subject, or environment, often to the extent of losing awareness of other things.
Words
immerse

verb
погружать