ADJ-GRADED 智力迟钝的;智力发育迟缓的 Someone who is retarded is much less advanced mentally than most people of their age. 智力迟钝的;智力发育迟缓的 [offensive, old-fashioned]
...a special school for mentally retarded children.
(old-fashioned, offensive) VERBS | ADVERBVERBS➤be, look遲鈍;看上去遲鈍ADVERB➤severely嚴重遲鈍◇Many of the children are severely retarded.很多孩子都反應遲鈍。➤mildly, slightly輕微/有些遲鈍▸➤emotionally, mentally, socially感情上遲鈍的;智障的;社交障礙的◇a mentally retarded child智障的孩子