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	duck's-foot duck shot duck shots duck sickness ducks in a row duck's-meat duck snipe duck soup duck soups duck squeezer duck stamp duck stamps ducktail ducktails duck the issue duck under duck-walk duck-walked duckweed duckweeds duckwheat duck with ducky Ducommun, Élie Ducrey test

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。