单词	ptarmigan
释义	ptar·mi·gan \ˈtärmə̇gən, -mēg-\ noun (plural ptarmigan or ptarmigans) Etymology: modification of Scottish Gaelic tārmachan : any of various grouses of the genus Lagopus of northern regions having completely feathered feet, winter plumage that is chiefly or wholly white except in the British red grouse, and summer plumage that is largely grayish, brownish, or blackish and variously barred and vermiculated [ptarmigan: A summer plumage; B winter plumage]
随便看	infectious chlorosis infectious disease infectious ectromelia infectious enterohepatitis infectious equine encephalomyelitis infectious hepatitis infectious jaundice infectious laryngotracheitis infectiously infectious mastitis infectious mononucleosis infectious necrotic hepatitis infectiousness infectious sinusitis infectious vaginitis infective infective infectiveness infectivity infector infects infectum infectum infectuous infecund

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