| 单词 | National Academy of Sciences |
| 释义 | National Academy of Sciences a private organization, created by an act of Congress (1863), that furthers science and advises the U.S. government on scientific and technical issues. Abbr.: N.A.S., NAS |
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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。