the fact of becoming completely involved in something

Total immersion in a videogame is almost like living another life. 完全沉浸在电子游戏中，几乎就像过着另一种生活。

the process of learning a language or skill by using nothing else but that language or skill

We have all learned a complex set of grammar rules simply by immersion in a language since birth. 我们从一出生就沉浸在一门语言中，因此学会了一套复杂的语法规则。

advocates of the immersion method of language learning 对沉浸式语言学习法的提倡

the act of putting something or someone completely under the surface of a liquid

They practise baptism by total immersion. 他们实行完全浸没式洗礼。