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The Activity Stacker is a pyramid made of multiple rings that fit onto a soft cylinder.
活动套叠组玩具是一组多环组成的金字塔,这个金字塔可套在一个软质的圆柱体上。
youdao
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The Activity Stacker is a pyramid made of multiple rings that fit onto a soft cylinder.
活动套叠组玩具是一组多环组成的金字塔,这个金字塔可套在一个软质的圆柱体上。
youdao