pig metal

例句：

1. 1.The pig metal was used to make the sculptures.
   猪金属被用来制作雕塑。
2. 2.The pig metal was melted down and turned into gold.
   猪金属被熔化并转化为黄金。
3. 3.The pig metal was used as a substitute for other materials in construction.
   猪金属被用作建筑中的其他材料的替代品。