1、jumping jack的意思是：n.开合跳；<英，旧>跳爆竹；蹦蹦跳。2、jumping jack的英英释义是Noun:plaything consisting of a toy figure with movable joints that can be made to dance by pulling strings。3、jumping jack的例句是Jumping jack is such fun, maybe he is the one?弹跳杰克真有趣，他是小老虎最喜欢的吗。