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1·My little brother likes to jump up and down like a monkey.

我的小弟弟喜欢像猴子一样跳上跳下。

2·The waves were so strong that they forced huge pieces of ice to jump up and down, breaking the ice into smaller pieces within just one hour.

海浪如此强大，迫使巨大的冰块上下浮动，还在短短一小时内使冰块碎裂。

3·Don't jump up and down on the sofa.

不要在沙发上跳上跳下的。

4·Let's jump up and down.

我们来跳上跳下吧。

5·Why did I jump up and down and scream?

为什么我要跳转上升和下降和尖叫？

6·You can jump up and down, and I can dance.

你能上上下下的跳，而我会跳舞。

7·You can jump up and down, and I can dance.

你可以跳上跳下，我可以旋转。

8·My dad started to jump up and down in their tent.

我爸爸开始在他们的帐篷里来来回回地蹦跳。

9·My dad started to jump up and down in their tent.

我爸爸开始在他们的帐篷里跳来跳去。

10·Suddenly, Friday began to jump up and down, very excited.

突然，星期五跳上跳下，非常兴奋。