BOB半岛

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        key1

         
         
        pronunciation:
        ki
        parts of speech:
        noun, adjective
        phrases:
        key up
        features:
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        part of speech: noun
        definition 1: a metal object cut in a special way to open or close locks.
         
        definition 2: something that leads to or helps someone get something.
        Hard work is the key to success.
        similar words:
        agent, instrument, means, ticket
        definition 3: a list that gives an explanation of codes or symbols.
        We read a key to understand a map.
        synonyms:
        legend
        similar words:
        guide, handbook, manual
        definition 4: a button or part of a machine or musical instrument that makes it work when pressed.
        This computer has twelve function keys.The piano has eighty-eight keys.
         
        similar words:
        button, lever
        definition 5: the main tone of the scale in a musical work.
        This song is written in the key of C.
        similar words:
        note, pitch, tone
         
        part of speech: adjective
        definition: main; central.
        He made the key point in the discussion.
        synonyms:
        cardinal, central, chief, essential, fundamental, main, primary
        similar words:
        critical, crucial, great, important, major, prime
        phrase: key up
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        See
          car, instrument, music