缩写
中文翻译：Unknown
同义词：
['NFL（National Football League）']
例句：
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1.AFC is the official name for the American football league.
AFC是美式足球联盟的官方名称。
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2. The NFL and AFC are the two major professional football leagues in the United States.
NFL和AFC是美国两大主要的美式足球职业联赛。
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3.Many fans root for their favorite team, regardless of which conference they play in.
许多球迷不管他们所在的是哪个联盟，都支持他们的最爱球队。