mental l deficiency精神缺乏
primary mental deficiency先天性心智不足
secondary mental deficiency后天心智不足
identification of mental deficiency智力缺损鉴别
mental deficiency amentia智力缺陷
mental deficiency act智力缺陷法案
children with mental deficiency智力残疾儿童
American Association on Mental Deficiency美国智力低下协会;力低下协会;美国心理缺陷协会
N（名词） [psychiatry] → a less common term for mental retardation