authentification

例句：

1. 2. 同义词：verification, authentication, certification3. 例句：1. The company's product must be authenticated by a third-party laboratory.
   该公司的产品必须由第三方实验室进行认证。
2. 2.The passport must be authenticated before entry into the country.
   进入该国前，护照必须经过认证。
3. 3. The bank will not issue a loan without authenticating the borrower's identity.
   银行在发放贷款前，必须对借款人的身份进行认证。