aphasia
aphasia[əˈfeɪzɪə]noun- [mass noun](Medicine)inability (or impaired ability) to understand or produce speech, as a result of brain damage
(医)(脑部损伤引起的)失语,语言能力受损症。 比较 aphonia
派生aphasic( & )adjective & noun语源- mid 19th cent.: from Greek, from aphatos 'speechless', from a- 'not' + phanai 'speak'
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