近两年来，空气污染的其中一个重要指标PM2.5成为热词。PM2.5存在于空气中，防不胜防。对于抵抗力相抵地的孕妇和宝宝来说，更是一大健康隐患。孕妇抵抗力会比之前差，加上长期在污染严重的空气中，胎儿的...
come nearly two years, air pollution is one of the important indexes of PM2.5 become a hot word. PM2.5 is present in the air, impossible to guard against. Resistance to offset the pregnant woman and baby speaking, is a major health hazard. Pregnant women can be resistance difference than before, and a long term in the polluted air, the fetus...
