名词
中文翻译：人孔
同义词：
['manhole', 'access hole']
例句：
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1. The engineers had to diga manhole to fix the leakypipe.
工程师们不得不挖一个人孔来修理漏水的管道。
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2. Theconstruction workers used a manhole cover to enter the basement.
建筑工人使用人孔盖进入地下室。
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3. The old house had several manholes that were difficult to find.
这所老房子有几个难以找到的人孔。