engross

1. She was engrossed in her book.
    她专心致志地看书。

2. Engrossed in his book he forgot the time.
    他全神贯注地看书忘记了时间。

1. consume all of one's attention or time

    e.g. Her interest in butterflies absorbs her completely

    Synonym: absorb engage occupy

2. devote (oneself) fully to

    e.g. He immersed himself into his studies

    Synonym: steep immerse engulf plunge absorb soak up