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retardation [͵ri:tɑ:'deiʃən] 
词性及解释
  • n.
    迟延, 妨碍, 阻止
  • 【化】
    缓聚作用
  • 【医】
    阻滞, 迟缓
英英解释
常用词组
例句
  • 1.
    asbestos reinforcement confers excellent Flame retardation properties on a composite
    石棉增强材料使复合材料具有优异的防火性能。
  • 2.
    DwarfISm: Growth retardation resulting in abnormally short adult stature. It IS caused by a variety of hereditary and metabolic dISorders.
    侏儒症:生长停滞以致不能达到正常成人身材的一种症状,由多种遗传性及代谢性疾病造成。
  • 3.
    The prevalence of growth retardation among children under the age of 5 was 14.3%
    5岁以下儿童生长迟缓率为14.3%
  • 4.
    Deficiencies in certain organic chemicals can cause mental retardation in babies, rickets, beriberi, blindness, scurvy and many other diseases
    缺乏某些有机化合物,能引起婴儿智力迟钝、佝偻病、脚气病、失明、坏血病和其它许多疾病。
  • 5.
    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。
  • 6.
    A Survey On Physical Function developmental Level Of Students With Mental Retardation In Beijing
    北京市智力落后学生身体机能发育水平的调查研究
  • 7.
    Employment-Related Life-Skills For Students With Mental Retardation In A high school Setting
    与就业相关的中学智障学生的生活技能
  • 8.
    Dwarfis.: Growth retardation resulting in abnormally short adult stature. It is.caused by a variety of hereditary and metabolic dis.rders.
    侏儒症:生长停滞以致不能达到正常成人身材的一种症状,由多种遗传性及代谢性疾病造成。

小测验:选择正确的单词

vi. 作呕, 反胃 vt. 呕吐 n. 反胃, 呕吐声
  • A.rdetention
  • B.rdetch
  • C.rdetell
  • D.rdetarded
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