virus

来自拉丁语virus,毒液，毒汁，来自PIE*weis,融化，流出，恶臭液体，词源同weasel,bison。该词最早用于病毒义来自1728年，用于指传染性病，天花，梅毒等。也用于指计算机病毒。

virus (n.)

late 14c., "venomous substance," from Latin virus "poison, sap of plants, slimy liquid, a potent juice," probably from PIE root *weis- "to melt away, to flow," used of foul or malodorous fluids, with specialization in some languages to "poisonous fluid" (cognates: Sanskrit visam "poison," visah "poisonous;" Avestan vish- "poison;" Latin viscum "sticky substance, birdlime;" Greek ios "poison," ixos "mistletoe, birdlime;" Old Church Slavonic višnja "cherry;" Old Irish fi "poison;" Welsh gwy "fluid, water," gwyar "blood"). Main modern meaning "agent that causes infectious disease" first recorded 1728 (in reference to venereal disease). The computer sense is from 1972.

1. The official number of people carrying the AIDS virus is low.

艾滋病病毒携带者的官方数字并不高。

2. Hackers are said to have started a computer virus.

据说黑客们已经开始传播一种新的电脑病毒。

3. The repairman reported back that the computer had a virus.

修理工报告说电脑染了病毒。

4. I was determined not to succumb to the virus.

我坚决不向病毒屈服。

5. Liver cancer is linked to the hepatitis B virus.

肝癌与乙肝病毒存在关联。