John suffered from mental deficiency from the point of view of a doctor.

从医生的观点看来约翰患有智力缺陷。

Alertly, excessive drinking seemed to be the major riskfactor for high prevalence rate of mental deficiency(2.2%).

酗酒还可能是精神发育不全患病率高（2.2%）的重要原因。

"Would you mind telling me, Doctor," Bob asked... "how you detect a mental deficiency in somebody who appears completely normal?"

“医生您是否介意告诉我”鲍勃问道“您是怎样发现一个表现完全正常的人有智力缺陷的呢？”

The phenomenon of university students' mental deficiency is a kind of outside performance of university students' mental imbalance in the period of social transformation.

大学生心理缺失现象，是社会转型期部分大学生心理失衡的一种外在表现。

But the poor family and illiterate of their husband have nothing to do with the unhealthy pregnancy of mental deficiency women and the growth obstruction of their children.

家庭贫困和丈夫文盲不增加智力残疾妇女不良妊娠结局及子女发育障碍风险。