nation
US /ˈneɪ.ʃən/
UK /ˈneɪ.ʃən/

1.
国家, 民族
a large body of people united by common descent, history, culture, or language, inhabiting a particular country or territory
:
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The United States is a diverse nation.
美国是一个多元化的国家。
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The Olympic Games bring together athletes from every nation.
奥运会汇集了来自每个国家的运动员。