(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
a harmful or corrupting agency
a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer
viruses的用法和样例:
例句
用作名词 (n.)
Some viruses incubate very rapidly. 有些病毒繁殖得很迅速。
The transfer of pig viruses to humans is unlikely. 此疗法导致感染猪病毒的机率极小。