virus

英 ['va?r?s] 美['va?r?s]

CET4TEM4IELTSGRE考研TOEFL中頻詞核心詞匯

復(fù)數(shù):?viruses;

virus 病毒

來(lái)自拉丁語(yǔ)virus,毒液，毒汁，來(lái)自PIE*weis,融化，流出，惡臭液體，詞源同weasel,bison。該詞最早用于病毒義來(lái)自1728年，用于指?jìng)魅拘圆。旎ǎ范镜取Ｒ灿糜谥赣?jì)算機(jī)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 vi?nja "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.: 艾滋病病毒攜帶者的官方數(shù)字并不高。

2. Hackers are said to have started a computer virus.: 據(jù)說(shuō)黑客們已經(jīng)開始傳播一種新的電腦病毒。

3. The repairman reported back that the computer had a virus.: 修理工報(bào)告說(shuō)電腦染了病毒。

5. Liver cancer is linked to the hepatitis B virus.: 肝癌與乙肝病毒存在關(guān)聯(lián)。