动词
中文翻译：证明
同义词：
['confirm', 'verify', 'prove', 'establish']
例句：
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1. The scientist substantified his theory with evidence from the experiment.
科学家用实验证据证实了他的理论。
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2. The police substantified their suspicions by finding the stolen items in the suspect's home.
警方通过在嫌疑人家中发现被盗物品来证实他们的怀疑。
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3. The witness substantiated her testimony by providing eyewitness accounts.
目击者通过提供目击者证词来证实她的证词。