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寒来暑往,四季更替。随着寒流的飘然而至,气温逐渐下降,为了保持温暖,人们常常把门窗关闭,由此导致空气不流通,造成带有病菌、病毒的微尘在室内空气中飘浮聚集。伴随着气温降低,我们的整体免疫功能降低,同时寒冷的空气
Cold to summer, four seasons change. As the cold current floats, the temperature gradually drops. In order to maintain warmth, people often close the doors and windows, resulting in the air being out of circulation, resulting in the floating and gathering of bacteria and viruses with dust in the indoor air. As the temperature drops, our overall immune function decreases, while the cold air