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人体是一个完整的机体,当受到外界不良刺激时,自身就会产生一系列的自我“保护措施”,把侵入体内的异物和毒素排除,把细菌和病毒杀死,防止身体受到损害。
The human body is a complete body. When it is adversely stimulated by the outside world, it produces a series of self-protection measures to exclude foreign bodies and toxins that invade the body and kill bacteria and viruses to prevent the body from being damaged.