retardation [ˌritɑr'deʃən]以下由轻松背单词网站提供
单词级别附加级基本释义n.智力迟钝,精神发育迟缓参考例句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。 推荐阅读 |