The retarded brother shouted, "Let him have it," whereupon the brother shot and killed the police officer.

发育迟缓的兄弟大喊,"给他一枪",于是他的兄弟开枪射杀了这名警官

耶鲁公开课 - 心理学导论课程节选

There were two brothers, one of them retarded, and they get into a robbery.

两兄弟,其中一个智力发育迟缓,他们想抢劫

耶鲁公开课 - 心理学导论课程节选

So, it's not really a developmental ... it's not really a developmental delay in the way that it might make sense to think about certain forms of retardation.

孤独症并非发展延迟,不应当把它理解为,某种形式的发育迟缓

耶鲁公开课 - 心理学导论课程节选