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At 2 months old the baby listens carefully to new sounds. Mother-baby interaction in the first months after birth. The child knows how to recognize the face and voice of the parent.

视  频 ID:  1070658190
版      权:  Viktar Lameika
视频长度:  0:10
横纵比率:  16:9
所属分类:  人物 医疗 
商业用途(模特授权书存在站酷海洛)

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