名词
中文翻译：排水沟
同义词：
['underground drain', 'underground pipe例句：1. The underground drain has been blocked by a large tree.（地下排水管被一棵大树堵塞了。）2. The underground pipe was damaged during the construction.（在施工过程中，地下管道受损了。）']
例句：
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1. The underground drain has been blocked by a large tree.
地下排水管被一棵大树堵塞了。
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2. The underground pipe was damaged during the construction.
在施工过程中，地下管道受损了。
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3.The city is working on fixing the underground drains to prevent flooding in the future.
市政府正在修复地下排水系统，以防止未来发生洪水。