Subject + 证实 + (了) + Clause
The verb 证实 (zhèngshí) means "to confirm," "to verify," or "to substantiate" a claim or finding. It is frequently used in news and academic writing when evidence or research supports a conclusion. For example, a study may 证实 that each dog is a truly unique individual.
新的研究证实了这种药物的疗效。
Xīn de yánjiū zhèngshí le zhè zhǒng yàowù de liáoxiào.
New research has confirmed the efficacy of this medication.
警方已经证实嫌疑人当时不在现场。
Jǐngfāng yǐjīng zhèngshí xiányírén dāngshí bú zài xiànchǎng.
The police have confirmed that the suspect was not at the scene at the time.
数据证实消费者对新产品非常满意。
Shùjù zhèngshí xiāofèizhě duì xīn chǎnpǐn fēicháng mǎnyì.
Data confirms that consumers are very satisfied with the new product.