speech disorder meaning in English

语言失常[紊乱]。

" is her speech disorder permanent ?
“他是患了永久性的口吃吗？ ”
Study on cleft palate and lip post - operation of functional speech disorders ' s classification and treatment
唇腭裂术后功能性语音障碍分类治疗的研究
Vocal characteristics of speech disorder and efficacy of speech therapy in postoperative patients with cleft palate
腭裂术后语音障碍特点及其综合性语言治疗