[mass noun]excessive discharge or build-up of mucus in the nose or throat, associated with inflammation of the mucous membrane (伴随黏膜炎的)鼻喉部黏液,卡他
派生 catarrhal adjective 语源
early 16th cent.: from French catarrhe, from late Latin catarrhus, from Greek katarrhous, from katarrhein 'flow down', from kata- 'down' + rhein 'flow'