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冬季的严寒,阻挡了一些细菌入侵人体的脚步。但是,一些传染病病菌却开始活跃起来,来势汹汹地向宝宝们发起进攻。我们当然不能让它们得逞!
Winter cold, blocking the pace of some bacteria invade the body. However, some infectious diseases are beginning to get active and attacking babies aggressively. Of course we can not let them succeed!