那么，我过去经常对着墙打海绵球，直到我妈不耐烦了，给我们弄来了摇摆球，放在后院里。

So, I used to knock sponge balls off the wall till my mum got fed upwith it and got us a Swingball for the back garden.

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在这个实验教室中，孩子们可以在摇摇晃晃的运动球上舒展，摇摆和平衡身体，这确实一大特色。

In fact, stretching, swaying and even balancing on big wobbly exercise balls are the point of this experimental classroom.

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如果您计划在圣诞节黄昏是看勒布朗使假日魔术对奇才，一定要检查新的球他会摇摆的庆祝活动。

If your plan for the Christmas twilight is to watch LeBron make holiday magic against the Wizards, be sure to check the new kicks he'll be rocking for the festivities.

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