jumping是什么意思,jumping

the world's highest bungee jumping point is located at the
2. 1分钟的开合跳(jumping jacks)
小娃问老师这两词有什么区别,老师立马搬来视频给小娃讲
ski jumping
"no more monkeys jumping on the bed"这是医生说的话,意思是不要再