其目的在于集中并消灭病原体，限制组织损伤，以便于完全或近可能完全地修复组织。
Its purpose is to localize and eliminate the causative agent, to limit tissue injury and then to restore the tissue to normality or as close to normality as possible.
只要遇到一个“非本体”分子，就有可能是病原体的一部分，免疫系统就会将它消灭。
Whenever it meets one that is "not self" and thus likely to be part of a pathogen, it destroys it.
研究者们认为它们是一种病原体真菌的受害者。这种真菌在澳洲快速传播，完全摧毁了该地区整个两栖动物的数量，在有的地区甚至消灭了整个物种。
Researchers think it's the victim of a pathogenic fungus which has spread across the continent, wiping out entire amphibian populations in the area, and in some cases, whole species.
事实上，直到现在艾滋病仍是一种不治之症，没有任何药物可以完全消灭艾滋病病毒，因为病原体变异很快，让为病人量身定做的治疗手段迅速失效。
In fact, now is an incurable disease of AIDS is still no complete eradication of drug HIV, the pathogen as variant soon, so that the patient-tailored treatment failure quickly.
事实上，直到现在艾滋病仍是一种不治之症，没有任何药物可以完全消灭艾滋病病毒，因为病原体变异很快，让为病人量身定做的治疗手段迅速失效。
In fact, now is an incurable disease of AIDS is still no complete eradication of drug HIV, the pathogen as variant soon, so that the patient-tailored treatment failure quickly.
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