Jumping jack
01
开合跳, 跳跃杰克
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
语法信息
有生性状态
无生命
形态构成
复合词
可数
singular
not gender specific
复数形式
jumping jacks
例子
The warm-up routine began with a set of jumping jacks to get everyone's heart rates up.
热身程序从一组开合跳开始，以提高每个人的心率。
02
线控木偶, 提线木偶
a toy figure with movable joints that can be made to dance or move by pulling attached strings
例子
The child played with a colorful jumping jack.
孩子玩了一个色彩鲜艳的提线木偶。
