英语词汇primary mental deficiency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

英汉双解词典包含3607232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。

单词	primary mental deficiency
释义	primary mental deficiency
随便看	acoustic pulse acoustic pulse compression acoustic pulses acoustic pulse transmission acoustic pyrometer acoustic quadripole acoustic quality acoustic quantification acoustic quantity acoustic quantity sensor acoustic quantity transducer acoustic quartz acoustic quartz delay line Acoustic radar Acoustic radiation acoustic radiation characteristics Acoustic radiation force acoustic radiation impedance acoustic radiation measurement acoustic radiation pattern Acoustic radiation pressure acoustic radiation pressures acoustic radiation resistance Acoustic radiations acoustic radiator