动词
中文翻译：证明
同义词：
['verify', 'confirm', 'prove']
例句：
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1. The results of the experiment were effective in solving the problem.
实验的结果有效地解决了这个问题。
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2. The new policy has been shown to be effective in reducing crime rates.
新政策已被证明能有效降低犯罪率。
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3. The effectiveness of the new drug was proven through clinical trials.
新药的有效性通过临床试验得到了证实。