And indeed the Court this time held that executions of persons with mentalretardation did violate the Eighth Amendment's proscriptions against cruel and unusual punishment.
此次法院当真认为对精神发育迟滞的人施用死刑的确违反了第八修正案禁止残酷刑罚的规定。
2
Typical symptoms of mercury poisoning include mentalretardation, loss of balance, tremors, blindness and loss of hearing.
水银中毒的典型症状包括精神迟缓，平衡失调，颤抖，失明，失聪。
3
Studies show that iodine deficiency is the leading preventable cause of mentalretardation.