英语词汇“mental retardation”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	mental retardation
释义	mental retardation a developmental disorder characterized by a subnormal ability to learn and a substantially low IQ. [1900-15]
随便看	hypothesis hypothesize hypothetical hypothetico-deductive method hypothyroidism hypotonic hypotrachelium hypotrich hypotyposis hypovolemic shock hypoxanthine hypoxemia hypozeugma hypozeuxis hypso- hypsography hypsometer hypsometry hyracotherium hyrax Hyrcania hyson hyssop hyster- hysterectomize

英语词典包含168451条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。