单词	frounce
释义	frounce /fraʊns / noun [mass noun] Falconry A form of trichomoniasis affecting hawks, resulting in a sore with a cheesy secretion in the mouth or throat.Raptors may become infected by eating infected birds and in raptors, the disease is often called frounce.... The former also produce the disease known as canker in pigeons, or frounce in birds of prey, and are treated with anti-protozoal drugs. Frounce is caused by a protozoan called Trichomonas which is frequently present in the crops of pigeons. Origin Late Middle English: of unknown origin.
随便看	Middle High German middle-income Middle Kingdom middle lamella Middle Latin middle latitude middle leg middle level middle life middle line middle linebacker Middle Low German middleman middle management middle manager middlemanship middle market middle market price middle mast middle mediastinum middle-middle middle-middle-class middlemost middle name middleness

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