ACROBATICS = 杂技 [zá jì]
Three performers keep their movements and juggling clubs in sync.
杂技 (zá jì) means acrobatics: skilled physical performances such as juggling, balancing and tumbling. In this drawing, the shared act depends on timing and coordination.
他们的杂技表演很精彩。
Tā men de zá jì biǎo yǎn hěn jīng cǎi.
Their acrobatic performance is wonderful.