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    sustain

    US /səˈsten/

    UK /sə'steɪn/

    • Transitive Verb
    • To lengthen or continue to do something
    • To support or maintain someone or something
    B2TOEIC
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    volatile

    US /ˈvɑ:lətl/

    UK /ˈvɒlətaɪl/

    • Adjective
    • Able to easily become a gas at a low temperature
    • Unstable and likely to change suddenly/extremely
    B2TOEIC
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    platform

    US /ˈplætˌfɔrm/

    UK /'plætfɔ:m/

    • Noun (Countable/Uncountable)
    • Flat, raised structure that people stand on
    • Area from which you board a train at a station
    support

    US /səˈpɔrt, -ˈport/

    UK /səˈpɔ:t/

    • Transitive Verb
    • To give assistance or advice to someone
    • To help prove or show that something is true
    • Noun (Countable/Uncountable)
    • Assistance or advice given to someone
    • Evidence that helps prove something is true
    A1TOEIC
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