系统会要求你验证身份才能登录。

The system will ask you to ___authenticate your identity before logging in.

系统会要求你通过短信验证码来验证身份。

The system will ask you to ___authenticate your identity with a text message code.

博物馆请专家来鉴定这幅古画的真伪。

The museum asked experts to ___authenticate the ancient painting.