defaced coin

例句：

1. 1.The old coins were defaced and lost their value.
   这些旧硬币被毁，失去了价值。
2. 2. The defaced coin is worthless.
   这个废纸硬币毫无价值。
3. 3.The defaced coin was found in a forgotten drawer.
   这个废纸硬币在一个被遗忘的抽屉里被发现。