English主要词典
virus
Universal Words
noun
1 a living thing, too small to be seen without a MICROSCOPE, that causes infectious disease in people, animals and plants:
the flu virus * a virus infection
2 (informal) a disease caused by a virus:
There's a virus going around the office.
3 instructions that are hidden within a computer program and are designed to cause faults or destroy data:
The virus in the software was programmed to corrupt the hard disk.
seealsoVIRAL
