智障人士（智障者）retardee＝A person whose intellectual capacity remains undeveloped.[Example sentence]:providing a secure and sometimes happy life for the retarded.为智障人士提供无虑有时是幸福的生活。
你好!智障retarded 英[rɪˈtɑ:dɪd] 美[rɪˈtɑ:rdɪd] adj. 智力迟钝的; 智力发育迟缓的; v. 使减速(retard的过去式和过去分词); 妨碍; 阻碍（某人/某事物）的进步或发展; [例句]Two major areas in which mentally retarded children require help are memory and attention.智障儿童主要是在记忆力和注意力这两方面需要帮助。
