英語翻譯：

currency; money

例句：

1. 我聽到了他口袋里叮當碰撞的硬幣聲。
   I heard the clink of coins in his pockets.
2. 我們來拋硬幣決定誰先走吧，你是要正面還是要反面？
   Let's flip a coin to decide who should go first - do you want heads or tails?
3. 硬幣滾到鋼琴的下面了。
   The coin rolled underneath the piano.
4. 他把硬幣倒過來，仔細檢查。
   He reversed the coin and examined it carefully.
5. 他衣袋里的硬幣叮當亂響。
   The coins jingled in his pocket.
6. 他付給我的都是硬幣。
   He paid me in coin.
7. 他往投幣孔投入一枚硬幣。
   He put a coin into the insertion slot.
8. 小貝殼常被用作簡單的貨幣。
   Small seashells were often used as a primitive kind of money.