正宗的

例句：

1. 1. The painting is an authentic copy of the original masterpiece.
   这幅画是原作的复制品。
2. 2.He wore an authentic leather jacket for the event.
   他穿着一件真正的皮夹克参加了活动。
3. 3.The antique dealer sold an authentic vase that had been passed down through generations.
   古董商卖出了一只真正的花瓶，它代代相传。