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    Oil prices volatile as US President Donald Trump talks up Iran negotiations | BBC News

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    林宜悉 posted on 2026/03/26
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    Video vocabulary

    vulnerable

    US /ˈvʌlnərəbəl/

    UK /ˈvʌlnərəbl/

    • Adjective
    • Being open to attack or damage
    • Being easily harmed, hurt, or wounded
    crucial

    US /ˈkruʃəl/

    UK /'kru:ʃl/

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

    US /'vaɪtl/

    UK /'vaɪtl/

    • Adjective
    • Needed to support life; essential
    • Full of life; energetic
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    infrastructure

    US /ˈɪnfrəˌstrʌktʃɚ/

    UK /'ɪnfrəstrʌktʃə(r)/

    • Uncountable Noun
    • Basic necessary equipment for a country or region
    • The underlying framework or system of an organization.
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