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	three-line octave three-lined potato beetle three-master three-men-in-a-boat three-mile limit three-minute glass three-part form three-peat three-phase three-piece three-piece suit three-piece suite three-pile three-piled three-plier three-ply three-point landing three-point line three-point perspective three-point problem three-point switch three-point turn three-pointer three-quar three-quarter

英语词典包含469781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。