ˈcrash course BrE AmE noun [countable]
a course in which you learn a lot about a particular subject in a very short period of time
crash course in
a crash course in Spanish
ˈcrash course BrE AmE noun [countable]
a course in which you learn a lot about a particular subject in a very short period of time
crash course in
a crash course in Spanish
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012