an impairment of language (especially speech production) that is usually due to brain damage
dysphasia详细解释
dys.pha.sia n.（名词）Impairment of speech and verbal comprehension, especially when associated with brain injury.难语症，诵读困难症：语言或文字理解能力受损，尤指那些与大脑受损伤相联系的 【引伸】 dyspha.sic
