Question

retardation n.延迟;留级;制动;光程差; verb:retard~

Accepted Answer

英[ˌri:tɑ:'deɪʃn]  美[ˌritɑrˈdeʃən] N-UNCOUNT延迟;减缓;落后;迟缓Retardation is 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.例：...other parents whose children had mental retardation.其他智障儿童的家长

单词	retardation
音标	英[ˌri:tɑ:'deɪʃn] 美[ˌritɑrˈdeʃən]
解释	n.延迟;留级;制动;光程差;
例句	N-UNCOUNT 延迟;减缓;落后;迟缓 Retardation is 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. 例：...other parents whose children had mental retardation.其他智障儿童的家长
变形	verb:retard~

Retardation 英[ˌri:Tɑ:'Deɪʃn 美[ˌritɑrˈdeʃən N.延迟;留级;制动;光程差 N Uncount 延迟;减缓;落后;迟缓 Process Making