| 正面 | 2718.virus 英 ['vaɪrəs]美 ['vaɪrəs]     |
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| 背面 |      释义： 1、trace => track.n. [病毒] 病毒；恶毒；毒害n. (Virus)人名；(西)比鲁斯 例句： 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。 virus 病毒来自拉丁语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." |