用作定语
▲～+n.
This is an authentic Persian rug.这是真正的波斯地毯。
The copy he made of the painting can pass for an authentic one.他临摹的画足以乱真。
This book tells the authentic story of a hero's life.这本书说的是一个英雄的生平的真实故事。
This is an authentic news report.We can depend on it.这是篇可靠的新闻报道,我们相信它。
用作表语
▲S+be+～
Is this document authentic?这是一份真的文件吗?
Both texts are equally authentic.两种版本具有同等效力。
