ca·tarrh·al /-əl/ 形容詞
Ca·tarrh·al a. Pertaining to, produced by, or attending, catarrh; of the nature of catarrh.
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catarrhal
adj : of or relating to a catarrh; "catarrhal fever is any of
several respiratory or oral diseases of livestock such
as bluetongue in horses and sheep"