?言语缺陷

... speech correction 言语矫正 speech defect 言语缺陷 speech difficulty 言语困难 ...

?语言缺陷

... 营养缺陷型 auxotrophy 语言缺陷 speech defect 语言缺陷 speech defect ...

?言语失常症

... 言语失常症 speech defect 言语失常症 speech defect 植物性神经系统 autonomic nervous system ...