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	instrumenting instrumentman instrumentmen instruments insuavity insubjection insubmergible insubmersible insubmissive insubordinate insubordinately insubordinates insubordination insubordinations insubstantial insubstantialities insubstantiality insubstantially insubvertible insuccess insucken insufferable insufferableness insufferablenesses insufferably

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