铅粉

例句：

1. 1. The engineer used a special tool to remove the lead powder from the pipe.
   工程师使用特殊的工具从管道中清除了铅粉。
2. 2.The painter needed a thick layer of lead powder to protect the canvas from dust.
   画家需要一层厚厚的铅粉来保护画布免受灰尘的侵害。
3. 3. The construction workers used lead powder to coat the walls to prevent moisture damage.
   建筑工人用铅粉涂覆墙壁以防止潮湿造成的损害。