noun
[ U ] ( BrE ) physical exercises that you do, usually in a class with other people, in order to improve your strength and to stay healthy :
a keep-fit class
noun
[ U ] ( BrE ) physical exercises that you do, usually in a class with other people, in order to improve your strength and to stay healthy :
a keep-fit class
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005