铂铱

例句：

1. 1. The precious metal is used in jewelry and electronics.
   这种贵金属用于珠宝和电子产品。
2. 2. The alloy is a blend of two or more metals, with a high melting point.
   这种合金是两种或多种金属的混合物，熔点高。
3. 3. The material has been used for centuries in the making of watches and other timepieces.
   这种材料在制作手表和其他计时器方面已有数百年的使用历史。