彼は卒業アルバムを開いて、思い出に浸っていた。
He opened his graduation album and lost himself in memories.
優勝の喜びに浸る間もなく、次の試合の準備が始まった。
There was hardly time to savor the joy of winning before preparations for the next match began.
静かな森の中を歩きながら、物思いに浸った。
Walking through the quiet forest, I was lost in thought.