Hoa Kỳ - tóm tắt lịch sử đất nước (The United States of America - summary of the country's history)

US /ˌɑpɚˈtunɪti, -ˈtju-/

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UK /ˌɒpə'tju:nətɪ/

US /væst/

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UK /vɑ:st/

US /ˈnetɪv/

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UK /ˈneɪtɪv/

US /ˈpɑvəti/

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UK /ˈpɔvəti/