virus

an extremely small infectious agent that can only multiply inside the cells of living organisms and often causes disease

1. 1.

   A submicroscopic, non-cellular structure that consists of a core of DNA or RNA surrounded by a protein coat, that requires a living host cell to replicate, and that sometimes causes disease in the host organism (such agents are often classed as nonliving infectious particles and less often as microorganisms).

   由DNA或RNA核心和蛋白质外壳构成的亚微观非细胞结构,需借助活宿主细胞复制,有时致病

2. 2.

   (virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein

   (病毒学)仅在活体宿主细胞内自我复制的超微感染因子；许多是致病的；由一段核酸(DNA或RNA)和一层薄蛋白质外壳组成

3. 3.

   A quantity of such infectious agents, considered en masse.

   大量此类传染性物质

4. 4.

   a harmful or corrupting agency

   有害或腐败的因素

5. 5.

   A type of malware which can covertly transmit itself between computers via networks (especially the Internet) or removable storage such as disks, often causing damage to systems and data; also computer virus.

   一种可在计算机间隐蔽传播的恶意软件,常损害系统或数据

6. 6.

   a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer

   能够自我复制的软件程序,通常会对同一计算机上的文件或其他程序造成严重损害

7. 7.

   Any malicious or dangerous entity that spreads from one place or person to another.

   任何传播的恶意或危险实体

由DNA或RNA核心和蛋白质外壳构成的亚微观非细胞结构,需借助活宿主细胞复制,有时致病；(病毒学)仅在活体宿主细胞内自我复制的超微感染因子；许多是致病的；由一段核酸(DNA或RNA)和一层薄蛋白质外壳组成；大量此类传染性物质；有害或腐败的因素；一种可在计算机间隐蔽传播的恶意软件,常损害系统或数据

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