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re·tard·ed AHD[rĭ-tärʹdĭd] 【无礼用语】 D.J.[rɪˈtɑːdɪd]K.K.[rɪˈtɑrdɪd]adj.（形容词）- Affected with mental retardation.受智力落后影响的
- Relatively slow in mental, emotional, or physical development.智力迟钝的，精神发育迟缓的：在精神、感情或体能发展上相对缓慢的
n.(used with a pl. verb)（名词）（与复数动词连用）- Persons affected with mental retardation considered as a group. Often used withthe. 智力迟钝的：受智力迟钝影响的人们，被看作一个群体集合。常与the 连用
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