钻石器

例句：

1. 1. The diamond tool is used to polish the surface of the stone.
   钻石工具用于抛光石头的表面。
2. 2. The diamond tool is a precision tool that can be used for cutting and grinding.
   钻石工具是一种精密工具，可用于切割和磨削。
3. 3.The diamond tool is very expensive, but it is worth the investment for its high quality.
   钻石工具非常昂贵，但考虑到其高质量，投资是值得的。