intensive course

Translations
интенсивный курс
He enrolled in an intensive course to learn French quickly.
Он записался на интенсивный курс, чтобы быстро выучить французский.
Definitions
An intensive course is a type of educational program that covers a subject in a short period of time, often with a focus on immersive learning and a fast-paced curriculum, allowing participants to gain knowledge and skills quickly.