名词
中文翻译：黑色排水沟
同义词：
['black drainage ditch', 'black drainage pipe']
例句：
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1. Theconstruction crew was working on clearing the black durain in the area.
施工队正在清理该地区的黑色排水沟。
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2.The black durain has been causing problems for the local residents.
黑色的排水沟一直在给当地居民带来麻烦。
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3. The city government is planning to improve the drainage system by adding more black durains.
市政府计划通过增加更多的黑色排水沟来改善排水系统。