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我们都生活在同一片蓝天下,依靠大气和各种饮食生存着。没有谁能完全生活在一片纯净里,在我们身边处处隐藏着危险,肉眼难辨的病原体就是潜在的威胁之一。这些病原体包括病菌、病毒和寄生虫。当然,我们的身体对这些可恶的小家伙并非束手无策,每个人的体内都有一道抵御病原体入侵的城墙,
We all live under the same blue sky, living on the atmosphere and eating all kinds of diets. No one can live entirely in purity, hidden dangers all around us, and one of the potential threats to the unidentifiable pathogens. These pathogens include germs, viruses and parasites. Of course, our body is not helpless for these damn little guys, everyone has a body wall to resist the invasion of pathogens,