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	namesake name tag name-tape Namibia Namibian nan Nanak, Guru nanny nanny goat nano- nanobot nanomachine nanopublisher nanopublishing nanosecond nanotechnology Nantucket nap napalm nape naphthalene napkin napkin ring Naples Napoleon

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