to prove that something is real , true , or what people say it is
发音
例句
1. We would have to authenticate your relationship with the boy. 我们必须证实一下您和那个男孩子的关系。 2. An expert was needed to authenticate the original Van Gogh painting from his imitation. 这幅画是凡·高的真迹还是赝品,需由专家来鉴定。