名词
中文翻译：深井
同义词：
['deep hole', 'deep pit']
例句：
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1.The engineers had to dig a deep well to access the water source.
工程师们不得不挖一个深井来获取水源。
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2.The old well was too deep for us to reach the water.
这个旧井太深了，我们够不着水。
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3.The farmers used to drill deep wells to tap into the groundwater.
农民过去常打深井来抽取地下水。