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    crucial

    US /ˈkruʃəl/

    UK /'kru:ʃl/

    • Adjective
    • Extremely important or necessary
    • Of great importance to the success of something.
    stretch

    US /strɛtʃ/

    UK /stretʃ/

    • Verb (Transitive/Intransitive)
    • To make your arm, leg muscles long to ease them
    • To make something bigger by pulling on it
    • Noun
    • Making arm, leg muscles longer to ease them
    • A consecutive row of things
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    develop

    US /dɪˈvɛləp/

    UK /dɪ'veləp/

    • Verb (Transitive/Intransitive)
    • To explain something in steps and in detail
    • To create or think of something
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    productive

    US /prəˈdʌktɪv, pro-/

    UK /prəˈdʌktɪv/

    • Adjective
    • Producing things in large quantities; fertile
    • Doing a lot of work and achieving a lot
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