名词
中文翻译：鉴别反应
同义词：
['distinguishing feature', 'distinguishing characteristic']
例句：
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1. The scientist conducted a distinguishing reaction to test the sample's authenticity.
科学家进行了一个鉴别反应来测试样本的真实性。
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2. The new drug has a distinguishing reaction that makes it unique among its competitors.
这种新药有一个独特的鉴别反应，使它在竞争对手中脱颖而出。
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3. The researcher found a distinguishing reaction in the chemical structure of the compound.
研究人员在化合物的化学结构中发现了鉴别反应。