retardation [ˌritɑrˈdeʃən]

例句:

• 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.
  
• 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.
  
• It is therefore not surprising that self - retardation is not well - documented in the systems we are considering.
  因此,在我们所考虑的体系中,自缓聚作用尚未完全证实是不足为奇的.
  
• Growth retardation occurs in rabbits congenitally infected with rubella.
  来自Nature
• Psychopathy is not generally identified with mental retardation.
  来自G. Sereny
• Determine...the acceleration or retardation of the winter.
  来自B. Stillingfleet