labor f
劳动f
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The A.F.L.also opposed extremists who used labor protests to change the social system.
VOA: special.2010.05.06
Led by Samuel Gompers, the A.F.L.was different from earlier labor groups.
It was the American Federation of Labor,or A.F.L.
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