copper mould

例句：

1. 1. This copper mould is perfect for making chocolates.
   这个铜模非常适合做巧克力。
2. 2. The mold was made of copper, which made it difficult to remove the finished product.
   模具是由铜制成的，这使得取出成品变得困难。
3. 3. The mold was used to shape the chocolate into a uniform shape.
   这个模具被用来将巧克力塑形成均匀的形状。