由于小宝宝的表达和理解都比较简略，约3岁左右才能彼此沟通，彼此还是需要大人在一旁帮忙答腔。
The understanding and expression of the baby are relatively simple, can communicate with each other about 3 years old, still need each other in the side to help answer.
由于小宝宝的表达和理解都比较简略，约3岁左右才能彼此沟通，彼此还是需要大人在一旁帮忙答腔。
The understanding and expression of the baby are relatively simple, can communicate with each other about 3 years old, still need each other in the side to help answer.
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