单词	display key
释义	display key noun : a key generally used in hotel rooms to prevent any unwarranted entrance and that when used to operate a given lock of a master-keyed lock system prevents the lock from being opened by any other key except an emergency key Word History Etymology display (room)
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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。