Noun:
-
lack of normal development of intellectual capacities
- Yet this important driving force may be absent, low, or problematic in persons with mental retardation.
然而，这个重要的动力，可能会缺席，低，或有问题的智力迟钝者。
- Iodine deficiency in infants can result in mental retardation, stunted growth, and diminished intelligence.
婴幼儿碘缺乏会导致智力迟钝，发育迟缓和智力下降。
- 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。
