旋转木马 A merry-go-round is a large circular platform at a fairground on which there are model animals or vehicles for people to sit on or in as it turns round.
N-COUNT 一连串的相关活动;走马灯似的活动 You can refer to a continuous series of activities as a merry-go-round .
...a merry-go-round of teas, fetes, musical events and the like. 一连串的茶会、游乐会、音乐活动以及诸如此类的事情