另外，虽然公认母乳喂养的总体效益，但是新生儿的健康可因母乳中污染物的含量高而受到影响。
Additionally, while the overall benefits of breastfeeding are recognized, the health of the newborn may be affected by high levels of contaminants in breast milk.
应对主要的风险因素(包括营养不良和室内空气污染)与接种疫苗和母乳喂养一样，对预防肺炎是至关重要的。
Addressing the major risk factors - including malnutrition and indoor air pollution - is essential to preventing pneumonia, as are vaccination and breastfeeding.
应对主要的风险因素(包括营养不良和室内空气污染)与接种疫苗和母乳喂养一样，对预防肺炎是至关重要的。
Addressing the major risk factors - including malnutrition and indoor air pollution - is essential to preventing pneumonia, as are vaccination and breastfeeding.
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