a course in which you learn by using nothing else but the language or skill that you are learning

He decided he wanted to master Spanish and took an immersion course in Mexico. 他决定要掌握西班牙语，并在墨西哥参加了一个沉浸式课程。

This intensive, week-long SQL Server Immersion course will teach you everything you need to know. 这个为期一周的SQL Server沉浸式强化课程将教授一切相关知识。