blue-collar
词形变化：
形容词: blue-chip | 异体字: blue-chipper |
同义词：
manual | proletarian | working class | propertyless | working-class | wage-earning |
反义词：
blue-collar
词形变化：
形容词: blue-chip | 异体字: blue-chipper |
同义词：
manual | proletarian | working class | propertyless | working-class | wage-earning |
反义词：