单词	switchover
释义	switch·o·ver (swĭchō′vər) n. A complete shift, as from one system to another.
随便看	urolith urolithiasis urolithic urologic urological urologist urology -uronic uropod uropygial uropygial gland uropygium uroscopy urostomy -urous urp Ursa Major Ursa Minor ursine Ursprache Ursula K(roeber) Ursuline urtext urticant urticaria

英语词典包含135693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。