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单词	air-to-air
释义	air-to-air /ˌɛːtuːˈɛː / adjective Directed or operating from one aircraft to another in flight: an air-to-air missile... The Air Force's two 707 air-to-air refuelling aircraft on deployment are due to return home soon. The very first air-to-air missile was an aircraft rocket designed primarily for antiballoon or anti-Zeppelin work. Some added more flight time by posing as enemy aircraft for air-to-air battles.
随便看	principal ideal principal ideal ring principal in the first degree principal in the second degree principality principally principalness principal normal principal parts principal plane principal point principal quantum number principal ray principal section principalship principal stress principal value principate principe principessa principial principiant principiate principiation principiative

英语词典包含243303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。