半便士铜币

例句：

1. 1. The old lady spent her last penny on a new dress.
   那位老太太用她最后的一分钱买了一件新衣服。
2. 2.She bought a book with the change from her lunchtime snack.
   她用午餐时的小费买了一本书。
3. 3. The shopkeeper gave me a discount on my purchase because I had a halfpenny coin.
   店主因为我有一个半便士硬币，给了我购物折扣。