单词	master key
释义	master keyˈmaster key noun [countable] Examples EXAMPLES FROM THE CORPUS I went for help but the porter's master key also failed. Safe in her own hallway, Miss Worthington bolted the front door, turned the master key. The master key both advances the stage and records the total number of points counted. a key that will open all the door locks in a building
随便看	cohesion cohesive cohesively cohesiveness cohort COI coiffure coiffured, coil coiled coin coinage coincide coincidence coincident coincidental coincidentally coinsurance coinsure coir coital coitus coke cokehead Col.

英语词典包含52748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。