名词
中文翻译：试验
同义词：
['test', 'examination', 'trial']
例句：
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1. The scientist conducted an assay on the new drug to determine its efficacy.
科学家对新药进行了测试以确定其有效性。
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2. The chemist performed an assay on the sample to identify the chemical composition.
化学家对样本进行了分析以识别化学成分。
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3. The engineer conducted an assay to ensure the safety of the new machine.
工程师进行了测试以确保新机器的安全性。