The children jumped up and down to keep warm.

孩子们上下跳动保持身体暖和。

《牛津词典》

As he coughed and struggled to breathe, he jumped up and down, screaming: "Ah! Ah! Ah!"

他一边咳嗽，一边挣扎着呼吸，一边上蹿下跳，尖叫着：“啊！啊！啊！”

youdao

Alice jumped up and down in an agony of terror.

爱丽丝吓得上蹿下跳。

youdao

Horsup jumped up and down on top of the soil, hoping to stir the creature below.

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The players jumped up and down like pistons in an effort to stay loose.

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They performed the addictive hit, "Pop That, " as the crowd sang along and jumped up and down.

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