confirm

/kənˈfərm/

establish or strengthen as with new evidence or facts

Chinese meaning: 确认；证实；肯定

The experiment results confirm the theory proposed by the researcher.

实验结果证实了研究人员提出的理论。

Please confirm your attendance by replying to this email before Friday.

请在周五之前回复此邮件确认您的出席。