钯

例句：

1. 1. The goldsmith useda palladium ring to decorate the wedding band.
   金匠用一个钯戒指来装饰婚礼戒指。
2. 2. Palladium is a rare metal that isoften used in jewelry.
   钯是一种稀有金属，常用于珠宝制作。
3. 3. Thepalladium wasdiscovered in the 19th century, and it has sincebecome a valuable commodity.
   钯在19世纪被发现，并自此成为贵重商品。