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Jumping jack
01
开合跳, 星形跳
an exercise that is performed by jumping from a standing position with legs both spread wide and the hands touching overhead and then returning to a position with the feet together and the arms at the sides
02
跳跃木偶, 关节玩具
a traditional articulated toy made from paper or wood, featuring a jointed design that allows the arms and legs to move when pulled by strings or levers, creating a jumping or dancing motion when manipulated
jumping jack
n
例子
To increase the intensity of the exercise, he added jumping jacks between other cardio drills.
The warm-up routine began with a set of jumping jacks to get everyone's heart rates up.
She did a series of jumping jacks before starting her workout to loosen up her muscles.
The children enjoyed doing jumping jacks during their physical education class, making it a fun activity.
The fitness instructor demonstrated how to perform jumping jacks correctly for maximum benefit.
