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

• 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
• The risk of mental retardation and disturbed behaviour.
  智力迟钝和行为失常的可能危险。
• Thyroid dysfunction can manifest in growing children too in the form of mental and physical retardation.
  甲状腺机能障碍在成长儿童中也表现为身体和大脑发育迟缓。
• They also indicate the need for more study into the fragile X mental retardation protein's function itself.
  它们同时也暗示着还需要对脆性X智力低下蛋白的功能本身进行更多的研究。
• A retardation film of polymerisable liquid crystal has been developed.
  研制了一种由可聚合液晶制备的延迟膜。
• 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。
• Down syndrome is the most common genetic cause of mental retardation.
  唐氏综合症是一个常见的导致心理迟缓的遗传性因素。
• As a child he was assumed to be suffering from severe mental retardation.
  孩童时期他被假设为重度智障。
• ObjectiveTo find out the electroencephalogram ( EEG) change of the children with language retardation.
  目的探讨语言发育迟缓儿童脑电图（EEG）改变及临床意义。