retardation是什么意思,retardation怎么读,
英式发音:[ˌriːtɑːˈdeɪʃn] 美式发音:[ˌriːtɑːˈdeɪʃn]
mental retardation智力迟钝;智能缺陷(等于mental deficiency)
growth retardation生长迟缓;生长阻滞
词根:retard
adj.retarded 智力迟钝的;发展迟缓的
retardant 延缓的
n.retard 延迟;阻止
retardant [化学] 阻滞剂;抑止剂
vi.retard 减慢;受到阻滞
vt.retard 延迟;阻止;妨碍;使减速
1.Conclusion:The genetic mental retardation is the human phenotype blemish caused by injured DNA.
结论遗传性智力迟缓是由DNA损伤引起的人类表型缺陷;
3.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。
4.The IQ test alone does not determine whether someone is mental retardation.
仅靠智商测试一项并不能断定一个人是否智力迟钝。