The study found that infants who breast-fed for nine months grew up to be significantly more intelligent than those who breast-fed for one month or less.

研究发现婴儿母乳喂养9个月的孩子长大后比那些母乳喂养一个月或更少的要明显更聪明。

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The study found that infants who breast-fed for nine months grew up to be significantly more intelligent than those who breast-fed for one month or less.

研究发现婴儿母乳喂养9个月的孩子长大后比那些母乳喂养一个月或更少的要明显更聪明。

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