ˌstep aeˈrobics BrE AmE noun [uncountable]
a type of physical exercise in which you step on and off a small raised ↑ platform while doing movements with the upper part of your body
ˌstep aeˈrobics BrE AmE noun [uncountable]
a type of physical exercise in which you step on and off a small raised ↑ platform while doing movements with the upper part of your body
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012