名词短语
中文翻译：观察井
同义词：
['observatory well', 'observation well', 'well for observation']
例句：
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1. Theobservatory well is a crucial part of the scientific research.
观测井是科学研究中至关重要的一部分。
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2. The well for observation is located in the middle of the forest.
观察井位于森林中心。
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3. The well for observation is used to collect water samples for analysis.
观察井用于收集水样进行分析。