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	mylodontids mylodonts mylohyoids mylonisation mylonise mylonite mylonites mylonitic mylonitisation mylonitise nephogram nephograms nephograph nephographs nephologies nephologists nephology nephoscope nephoscopes Nephotettix nephr- nephralgias nephrectomies nephrectomise nephrectomised

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