“沉浸”常见的英文表达有 immerse、be immersed in、be absorbed in、be engrossed in 等，具体使用哪个取决于语境和表达习惯：
词性：动词
含义：意为“使沉浸（于）；使浸没（于）”，强调完全投入到某种活动、环境或体验中，有主动投入的意味。
例句：
She immersed herself in her work, forgetting all about the time.（她全身心投入到工作中，完全忘记了时间。）
To learn a language well, you should immerse yourself in the culture where it's spoken.（要想学好一门语言，你应该沉浸在它被使用的文化环境中。）
含义：是“immerse”的被动形式，表示“沉浸在……中；专心于……”，更强调一种状态。
例句：
He was immersed in reading a novel when I called him.（我给他打电话时，他正沉浸在读一本小说中。）
The children were immersed in the game and didn't hear their mother calling.（孩子们正沉浸在游戏里，没听到妈妈在叫他们。）
含义：意为“全神贯注于；专心致志于”，侧重于注意力高度集中，忘记周围的一切。
例句：
She was so absorbed in her book that she didn't notice me enter the room.（她如此专注于她的书，以至于没注意到我走进房间。）
The scientist was absorbed in his research and forgot to have lunch.（这位科学家全神贯注于他的研究，忘了吃午饭。）
含义：与“be absorbed in”意思相近，也表示“全神贯注于；埋头于”。
例句：
He was engrossed in writing a report and didn't look up until I spoke to him.（他正埋头写报告，直到我和他说话他才抬起头来。）
The students were engrossed in their discussion about the movie.（学生们正全神贯注地讨论那部电影。）