沉浸

immerse; soak; steep; submerge; engross; be absorbed in; be immersed in; be engrossed in; be steeped in; be permeated with; bask in; immersion; absorption

幸福

happiness; bliss; felicity; well-being; joy; blessedness; sunshine; welfare; happy; blissful; beatific; blessed

之中

among; amidst; in the middle; within; inside