At your desk chair, pretend you're going to sit but don't — stop and come back up without using your arms.

坐在椅子上的时候，假装你坐在凳子上，其实在蹲马步，站起来的时候别用手。

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You can choose your Sonic Chair to come with a variety of colors and materials, including sueded microfiber, man-made leather, polyurethane coating and other fabrics.

你可以选择不同颜色和材质的音乐座椅，制作材料包括仿麂皮微纤维、人造革、聚氨酯敷层等等。

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