desilverised lead

例句：

1. 1. The old house was filled with dust and cobwebs, but the new paint job made it look like a brand-new home.
   这所旧房子满是灰尘和蜘蛛网，但新的油漆工作让它看起来像是崭新的家。
2. 2. The painter carefully removed the desilverised lead from the walls before painting.
   这位画家在刷墙之前小心翼翼地从墙壁上除去了脱银铅。
3. 3. The factory had to use special equipment to remove the desilverised lead from its products.
   这家工厂不得不使用特殊的设备来从其产品中去除脱银铅。