单词	air defense
释义	air defense noun : the means, techniques, and organizations devoted to preventing or minimizing the effects of attack by enemy aircraft or guided missiles Word History First Known Use 1916, in the meaning defined above
随便看	ama AMAB amabile amabilis fir amability amadan amadavat amadavats amadelphous Amadora amadou amadous amaetha amaethons Amagasaki Amagat unit amagmatic amah amahs Amahuaca amahuacas amain amainer amainest amainner

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