名詞 merry-go-round:

1. a never-ending cycle of activities and events (especially when they seem to have little purpose)
2. large mechanical apparatus with seats for children to ride on
   同義詞：carousel, carrousel, roundabout, whirligig

mer.ry-go-round

n.（名詞）
A revolving circular platform fitted with seats, often in the form of animals, ridden for amusement.
旋轉(zhuǎn)木馬：通常安裝有動物形狀椅子的旋轉(zhuǎn)圓形平臺，供乘坐娛樂之用
A piece of playground equipment consisting of a small circular platform that revolves when pushed or pedaled.
腳踏旋轉(zhuǎn)平臺：一種由一圓形小平臺組成的游樂場設備，當推動它或踩其踏板時能夠轉(zhuǎn)動
A busy round; a whirl:
忙得團團轉(zhuǎn)；一連串的繁忙活動：
例句：
a merry-go-round of parties.
一連串的社交聚會