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TOEFL IELTS BNC: 3589 COCA: 2701

virus noun [ C ] DISEASE

B2 an extremely small piece of organic material that causes disease in humans, animals, and plants病毒

the chickenpox/flu/herpes/mumps virus水痘/流行性感冒/疱疹/流行性腮腺炎病毒
Evidence suggested that the AIDS virus was spreading very quickly among the heterosexual community.有证据表明艾滋病病毒正在异性恋群体中迅速传播。

B2 a disease caused by a virus病毒病,病毒性疾病;病毒感染

I don't know exactly what's wrong with her - I think she has some kind of virus.我不知道她到底得了什么病——我觉得可能是某种病毒感染。
Several employees were off work with a vomiting virus.几名员工因感染致呕吐病毒而没能来上班。

More examples

A local doctor was the first to raise the alarm about this latest virus.

The virus is contracted through exchange of bodily fluids.

All the tomato plants are infected with a virus.

The doctors have attributed the cause of the illness to an unknown virus.

It's possible to pass on the virus to others through physical contact.

virus noun [ C ] COMPUTER PROBLEM

B1 a computer program or part of a computer program that can make copies of itself and is intended to prevent the computer from working normally计算机病毒

Examples

A computer virus may lurk unseen in a computer's memory, calling up and infecting each of the machine's data files in turn.

The virus deletes files and corrupts essential core microchips leaving computers unusable.

All their customer information was wiped off the computer by a virus.

If you think there may be a virus, don't open the attachment.

I got a virus alert when I downloaded my email.


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