单词	orf
释义	orf /ɔːf / noun [mass noun] An infectious disease of sheep and goats caused by a poxvirus, characterized by skin lesions and secondary bacterial infection.We made a clinical diagnosis of cutaneous orf, and the lesion healed without any complications within a fortnight, without further intervention or medication.... The National Animal Disease Information Service has had many reports of orf in lambs this spring, according to NADIS vet Richard Laven. Orf is a viral disease that is widespread in sheep and goats. Origin Mid 19th century: probably from Old Norse hrufa.
随便看	Northumberland Strait Northumbria Northumbrian Northumbrianism northupite North Vietnam northward northwardly northwards North West Northwest Angle northwester north-westerly north-western northwesterner northwesternmost North-West Frontier Province North-West Passage Northwest Territories Northwest Territory north-westward north-westwardly north-westwards north wind North Woods

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