n. (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
n. a harmful or corrupting agency
n. a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer
n. 病毒, 滤过性病毒, 毒害
[化] 病毒
1. The virus spread quickly through the community.
这个病毒在社区中迅速传播。
2. You should wash your hands to prevent getting the virus.
你应该洗手以防感染病毒。
3. Scientists are working hard to develop a vaccine for the virus.
科学家们正在努力研发针对该病毒的疫苗。