名词
中文翻译：黑厂
同义词：
['black factory', 'black workshop']
例句：
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1.The blacking mill was a notorious hub for illegal activities.
这个黑厂是非法活动的臭名昭著的中心。
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2.The blacking mill had been shut down due to safety concerns.
由于安全担忧，这个黑厂已经被关闭了。
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3. The blacking mill was the last remnant of an old industry that has since been replaced by modern technology.
这个黑厂是旧工业的最后遗迹，现在已经被现代技术所取代。