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单词 key
释义

key ​‌‌‌

​adjective​usually before noun
UK /kiː/
Other entries for this word
key noun
key verb
key
key in phrasal verb
key to phrasal verb
Alt key noun
hot key noun
key card noun
key ring noun
low-key adjective
low-key adverb
off-key adjective, adverb
pass key noun
star key noun
tab key noun
Allen key noun
arrow key noun
enter key noun
key chain noun
pound key noun
more dictionary definitions
DEFINITIONS1
  1. 1
    very important

    Foreign policy had been a key issue in the campaign.

    This economic model has the following key features.

    South Africa lost two key players through injury.

    key to:

    Women farmers are key to China’s economic development.

    Synonyms and related words
    Important
    important
    major
    key
    Collocates
    Nouns frequently used with key
    ▪ element, factor, feature, figure, issue, point, role, word

key ​‌‌‌

​adjective​usually before noun
US /ki/
Other entries for this word
key noun
key verb
key
key in phrasal verb
key to phrasal verb
Alt key noun
hot key noun
key ring noun
low-key adjective
low-key adverb
off-key adjective, adverb
pass key noun
star key noun
tab key noun
arrow key noun
enter key noun
key chain noun
pound key noun
shift key noun
command key noun
more dictionary definitions
DEFINITIONS1
  1. 1
    very important

    Foreign policy had been a key issue in the campaign.

    This economic model has the following key features.

    The Steelers have lost two key players because of injuries.

    Synonyms and related words
    Important
    important
    major
    key
    Collocates
    Nouns frequently used with key
    ▪ element, factor, feature, figure, issue, point, role, word

key ​‌‌‌

​noun countable
UK /kiː/
Other entries for this word
key adjective
key verb
key
key in phrasal verb
key to phrasal verb
Alt key noun
hot key noun
key card noun
key ring noun
low-key adjective
low-key adverb
off-key adjective, adverb
pass key noun
star key noun
tab key noun
Allen key noun
arrow key noun
enter key noun
key chain noun
pound key noun
more dictionary definitions
Word Forms
singularkey
pluralkeys
  1. 1
    a small piece of metal used for opening or locking a door or a container, or for starting the engine of a vehicle

    I could hear someone turning the key in the lock.

    a bunch of keys

    house/car keys

    key to:

    Where’s the key to the back door?

    Synonyms and related words
    Keys and combinations
    bunch
    code
    combination
  2. 2
    ​usually singularthe thing that will do most to help you to achieve something
    key to:

    Proper planning is the key to success.

    The key to our strength lies in our members.

    Synonyms and related words
    Important thing or detail
    feature
    priority
    element
  3. 3
    one of the parts that you press on a keyboard to make it produce letters, numbers etc

    Highlight the file you want and press the RETURN key.

    Synonyms and related words
    Keys on the computer keyboard
    Alt key
    arrow key
    backspace
    1. 3a
      one of the parts that you press on a musical instrument to make it produce sounds

      piano keys

      Synonyms and related words
      Parts of musical instruments
      bellows
      bow
      bridge
  4. 4
    ​musica set of musical notes that are based on one particular note

    a major/minor key

    in the key of D sharp

    Synonyms and related words
    Notes in the musical scale
    A
    b
    bass
  5. 5
    a list of signs and their meanings, for example a list of the signs that are used on a map, drawing etc
    Synonyms and related words
    Types of list
    a who’s who of something
    bibliography
    blacklist
    1. 5a
      a list of answers to the questions in a test or in a book
      Synonyms and related words
      Parts of books
      acknowledgments
      addendum
      afterword

key ​‌‌‌

​noun countable
US /ki/
Other entries for this word
key adjective
key verb
key
key in phrasal verb
key to phrasal verb
Alt key noun
hot key noun
key ring noun
low-key adjective
low-key adverb
off-key adjective, adverb
pass key noun
star key noun
tab key noun
arrow key noun
enter key noun
key chain noun
pound key noun
shift key noun
command key noun
more dictionary definitions
Word Forms
singularkey
pluralkeys
  1. 1
    a small piece of metal used for opening or locking a door or a container, or for starting the motor of a vehicle

    I could hear someone turning the key in the lock.

    a bunch of keys

    house/car keys

    key to:

    Where’s the key to the back door?

    Synonyms and related words
    Keys and combinations
    bunch
    code
    combination
  2. 2
    ​usually singularthe thing that will do most to help you to achieve something
    key to:

    Proper planning is the key to success.

    The key to our strength lies in our members.

    Synonyms and related words
    Important thing or detail
    feature
    priority
    element
  3. 3
    one of the parts that you press on a keyboard to make it produce letters, numbers, etc.

    Highlight the file you want to open and press the ENTER key.

    Synonyms and related words
    Keys on the computer keyboard
    Alt key
    arrow key
    backspace
    1. 3a
      one of the parts that you press on a musical instrument to make it produce sounds

      piano keys

      Synonyms and related words
      Parts of musical instruments
      bellows
      bow
      bridge
  4. 4
    ​musica set of musical notes that are based on one particular note

    a major/minor key

    a piece written in the key of C

    Synonyms and related words
    Notes in the musical scale
    A
    b
    bass
  5. 5
    a list of signs and their meanings, for example a list of the signs that are used on a map, drawing, etc.
    Synonyms and related words
    Types of list
    a who’s who of something
    bibliography
    blacklist
    1. 5a
      a list of answers to the questions in a test or in a book
      Synonyms and related words
      Parts of books
      acknowledgments
      addendum
      afterword

key

​verb transitive
UK /kiː/
Other entries for this word
key noun
key adjective
key in phrasal verb
key to phrasal verb
Alt key noun
hot key noun
key card noun
key ring noun
low-key adjective
low-key adverb
off-key adjective, adverb
pass key noun
star key noun
tab key noun
Allen key noun
arrow key noun
enter key noun
key chain noun
pound key noun
more dictionary definitions
Word Forms
present tense
I/you/we/theykey
he/she/itkeys
present participlekeying
past tensekeyed
past participlekeyed
DEFINITIONS1
  1. 1

    key

    or

    key in

    Sound Effect ♬♬♬♬♬♬to put information into a computer or other electronic machine using keys or a keyboard

    The data will need to be keyed immediately.

    Synonyms and related words
    To use a computer keyboard, mouse or screen
    backspace
    click
    click
phrasal verbs
key in
key to

key

​verb transitive
US /ki/
Other entries for this word
key noun
key adjective
key in phrasal verb
key to phrasal verb
Alt key noun
hot key noun
key ring noun
low-key adjective
low-key adverb
off-key adjective, adverb
pass key noun
star key noun
tab key noun
arrow key noun
enter key noun
key chain noun
pound key noun
shift key noun
command key noun
more dictionary definitions
Word Forms
present tense
I/you/we/theykey
he/she/itkeys
present participlekeying
past tensekeyed
past participlekeyed
DEFINITIONS1
  1. 1

    key

    or

    key in

    Sound Effect ♬♬♬♬♬♬to put information into a computer or other electronic machine using keys or a keyboard

    The data will need to be keyed immediately.

    Synonyms and related words
    To use a computer keyboard, mouse or screen
    backspace
    click
    click
phrasal verbs
key in
key to
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更新时间：2026/6/9 18:56:33