person who is mentally retarded in general but who displays remarkable aptitude in some limited field (usually involving memory)
One can almost imagine the idiots savants at the Treasury Department recommending we add 10 minutes to the hour.
FORBES: Fact and Comment
英汉双解词典包含3185865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。