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释义 〔virus〕Any of various simple submicroscopic parasites of plants, animals, and bacteria that often cause disease and that consist essentially of a core of RNA or DNA surrounded by a protein coat. Unable to replicate without a host cell, viruses are typically not considered living organisms.病毒:各种动物、植物和细菌的简单亚微观寄生虫之一,常引起疾病,主要由核糖核酸或脱氧核糖酸的一个核组成,周围有蛋白质包围。离开寄主细胞不能复制本身,病毒通常不被认作为是生物体
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