I really don't understand physics of jumping and how you increase that.

我真的不知道跳跃的物理学原理以及增加弹跳力的办法。

youdao

The arm exercises come at the end of a punishing workout routine for Mrs Obama which also involves weight training, rope-jumping and kickboxing.

米歇尔通常在完成很费体力的举重、跳绳和跆拳道等例行练习后，进行这套臂膀练习。

youdao

There was a lot of jumping and sometimes I fell and I'd think, 'I've done it this time', and I'd rush to the doctor to make sure everything was okay.

那时经常跳来跳去，有时会摔倒并且还在想，‘我这次又摔跤了’，然后就跑到大夫那儿看看有没有事。

youdao

This is what she wrote about landing in northern Canada and jumping out of the plane.

VOA: special.2009.06.28

Often, he engages in politics and jumping up, says and does whatever chances to come to his mind.

他更常忙于政治，并在机会出现时跃起实作,当念头出现时。

耶鲁公开课 - 政治哲学导论课程节选

and by jumping into a full conversation with them,

通过和他们进行完整的对话，

英语学习技巧 - SpeakingMax英语口语达人

But the U.S. typically has been weak in Winter Olympics staples like ski jumping and cross-country skiing.

FORBES: Kurt Badenhausen On Sports

He is jumping and squatting and putting pressure on that leg that had been so savagely wrecked.

WSJ: Marcus Lattimore: An NFL Dream, Rebuilt��Jason Gay

Our other swimmers are still undressing, but the two of us are jumping and clapping and calling them in.

WSJ: Cold-Water Swimming in Alaska