retardation

英 [ˌriːtɑːˈdeɪʃn]

美 [ˌriːtɑːrˈdeɪʃn]

n.  延迟;减缓;落后;迟缓

化学

BNC.17316 / COCA.13291

柯林斯词典

• N-UNCOUNT 延迟;减缓;落后;迟缓
  Retardationis the process of making something happen or develop more slowly, or the fact of being less well developed than other people or things of the same kind.
  1. ...other parents whose children had mental retardation.
     其他智障儿童的家长

英英释义

noun

• the act of slowing down or falling behind
  Synonym:slowdownlag
• a decrease in rate of change
  1. the deceleration of the arms race
  Synonym:decelerationslowing
• lack of normal development of intellectual capacities
  Synonym:mental retardationbackwardnessslownesssubnormality
• any agent that retards or delays or hinders
  1. flame-retardant
  Synonym:retardantretardent
• the extent to which something is delayed or held back

双语例句

• Conclusion ( 1) There is an association early awakening with psychomotor retardation in patients with depression.
  结论（）郁症的早醒可能与精神运动性阻滞相关联。
• Objective to investigate the characteristics of cognitive evoked potentials in mental retardation and idiot savant.
  目的研究精神发育迟缓和白痴学者认知电位的特征。
• The Adaptation and Effect of Portage Program in Chinese Children with Mental Retardation
  Portage早期教育计划在中国精神发育迟滞儿童早期干预中的效果及适用性研究
• His daughter Laura from the first marriage was institutionalized because of mental retardation.
  因为智力迟钝，他的女儿劳拉的从第一次婚姻起就被送进了疯人院。
• Symptoms included pruritus, cholestasis, liver cirrhosis, and growth retardation.
  症状为搔痒症、胆汁淤积、肝硬化和生长迟缓。
• The Effect of Exercise on Insulin Sensitivity in Rats with Intrauterine Growth Retardation
  运动对宫内生长迟缓大鼠胰岛素敏感性影响的实验研究
• The theory confirms the increase in the retardation effect with decrease in particle size.
  理论证实，随着颗粒尺寸的减小，这一减速效应将增大。
• Iodine deficiency disorders will lead to goiter, hypothyroidism, mental retardation, cretinism, and so on.
  碘缺乏将导致甲状腺肿、克汀病等疾病的发生。
• Failure to establish proper connectivity in the brain may also underlie autism spectrum disorders and mental retardation.
  建立合适的脑部连接失败也将导致自闭症和智力低下。
• Study on the Blood Acetylcholine Levels and the Change of Intelligence Quotient Electroencephalogram in Mental Retardation Patients
  血乙酰胆碱水平与精神发育迟滞患者智商及脑电图变化的研究