大学英语：confirm v. 证实，肯定;批准，确认

　　1)You need to confirm your reservations 48 hours in advance.(你需要提前48小时确定预订。)

　　2)The rumor is confirmed.(谣传被证实了。)

　　3)Her remarks confirmed me in my belief that the young man was innocent.

　　(她的话使我进一步认定那个年轻男子是清白的。)

　　4)The United Nations has confirmed the treaty.(联合国已批准了这项条约。)