网站首页 汉语 德语 英语
National Advisory Committee for Aeronautics (created by Congress in 1915 and forming the basis of NASA when it was established in 1958).
1920s; earliest use found in Aviation.
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。