两兄弟，其中一个智力发育迟缓，他们想抢劫。
There were two brothers, one of them retarded, and they get into a robbery.
研究显示，缺碘是智力发育迟缓的一个主要但可预防的因素。
Studies show that iodine deficiency is the leading preventable cause of mental retardation.
在这个关键的神经学过程中，除了脱落光，该研究还对人类智力发育迟缓的形式提供了一些信息。
In addition to shedding light on this critical neurological process, the study also provides information on a form of mental retardation in humans.
乔治的弟弟，在新泽西的一名广告文员，说虽然乔治最后被检查出智力发育迟缓，但小时候并没有检查出有问题。
George’s youngerbrother, a copywriter in New Jersey, said George was eventually foundto be mentally retarded but has not been examined for his disabilitysince childhood.
在自闭症群体中，遗传因素导致的占相当一部分。基因突变引发的孤独症、合并癫痫和智力发育迟缓有很多相同的共病基因。
Genetic etiology play a part of role in ASD, and genes mutated causing autism and epileptic encephalopathy and mental retardation have an overlap.
虽然对这些阻燃剂如何影响婴儿发育的机理尚不清楚，研究人员们认为它们能使发育迟缓并导致智力低下。
Although the effects of these flame retardants on developing babies are unknown, researchers suggest they may stunt growth and lead to lower intelligence.
然而，肌痉挛、反射亢进、顽固性癫痫、发育迟缓、智力低下是常见的症状。
However, muscle spasms, hyperreflexia, refractory epilepsy, developmental delay, and mental retardation are common in children afflicted with the disorder.
目的观察言语治疗对发育迟缓儿童智力的影响。
Objective To observe the effect of speech therapy on the intelligence of children with developmental retardation of speech.
结论：儿童智能发育社区干预，可以从整体上提高儿童智力水平，降低精神发育迟缓率。
Conclusion: the community interfering on the children's intelligence and ability could raise the whole intelligence ability level and reduce the rate of slow spirit development.
露西在智力方面发育十分迟缓，至今还不识字。
没过多久她发觉女儿智力发育极其迟缓。与此同时，久病的母亲撒手人寰。
Soon afterwards, she found out that her daughter was severely retarded. Almost at the same time, her mother died after her long illness.
没过多久她发觉女儿智力发育极其迟缓。与此同时，久病的母亲撒手人寰。
Soon afterwards, she found out that her daughter was severely retarded. Almost at the same time, her mother died after her long illness.
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