The creative ideas of turning up and down with fingers, will strengthen the child's ability of cognizance and imagination through the similar things and relationships between them.
独特创意，上下手指翻动，通过事物的相似和关联，启发孩子认知事物。
The creative ideas of turning up and down with fingers, will strengthen the child's ability of cognizance and imagination through the similar things and relationships between them.
独特创意，上下手指翻动，通过事物的相似和关联，启发孩子认知事物。
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