古金币

例句：

1. 1. Theancient coins from the museum are fascinating tostudy.
   博物馆里的古币令人着迷。
2. 2.He inherited a collection of ancient coins fromhis grandfather.
   他从祖父那里继承了一套古币收藏。
3. 3. The ancient coins were used fortrade and exchange during ancient times.
   在古代，古币用于贸易和交换。