五元金币

例句：

1. 1. He bought a five-yuan coin as a souvenir from the market.
   他在市场买了一枚五元的纪念币作为纪念。
2. 2. The old man kept his five-yuan coins in a safe for many years.
   那位老人把五元的硬币保存了很多年。
3. 3. She counted her five-yuan coins carefully before leaving home.
   她离家前仔细数了数她的五元硬币。