blue-collar (adj.)是什么意思，blue-collar (adj.)的翻译，blue-collar (adj.)音标、读音、用法和例句

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blue-collar (adj.)是什么意思，blue-collar (adj.)的翻译，blue-collar (adj.)音标、读音、用法和例句_菜篮子兴趣思朗文词典

blue-collar (adj.)

同根派生