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	e-voting ewe ewer Ewing, J. R. eww ex- ex exacerbate exacerbation exact exacting exactitude exactly exactness exaggerate exaggerated exaggeratedly exaggeration exalt exaltation exalted exam examination examine examiner

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