Pugionium

例句：

1. 1.The lead pipe in the basement is leaking.
   地下室的铅管正在漏水。
2. 2.The zinc plate is used to protect the metal from corrosion.
   锌板用于保护金属免受腐蚀。
3. 3. The scientist used a lead shield to protect his experiments from interference.
   科学家使用了铅屏蔽来保护他的实验不受干扰。