英语词汇mental retardation怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	mental retardation
释义	mental retardation 精神发育不全；智力迟钝；意志薄弱；低能；智力落后 [旧称 mental deficiency]
随便看	transition point transition points transition probabilities transition probability transition region transition rule transition temperature Transition Temperatures transition time transition zone transition zones transitive transitively transitiveness transitivenesses transitive relation transitive relations transitives transitive verb transitive verbs transitivities transitivity transitivize transitivized transitivizer

英汉双解词典包含483723条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。