sloper

例句：

1. 1. This product is made from talc and chalk.
   该产品由滑石粉和石灰制成。
2. 2.The talc powder is used in cosmetics to absorb moisture.
   滑石粉用于化妆品中，吸收水分。
3. 3. The chalk was used as a writing tool for centuries.
   石灰作为书写工具使用了好几个世纪。