spelter bronze

例句：

1. 1. The ancient Greeks used bronze as a material for their tools and weapons.
   古希腊人用青铜作为他们的工具和武器的材料。
2. 2.Bronze is a durable and lightweight material that has been used in jewelry making for centuries.
   青铜是一种耐用且轻便的材料，被用于珠宝制作已有数百年历史。
3. 3.In ancient times, bronze was often used as currency due to its durability and scarcity.
   在古代，由于其耐用性和稀缺性，青铜常被用作货币。