leather strop

例句：

1. 1. The leather strop is used to sharpen knives and other cutting tools.
   皮革磨刀石用于磨利刀和其他切割工具。
2. 2.He spent hours sharpening his knife on the leather strop.
   他在皮革磨刀石上花了几个小时来磨利他的刀。
3. 3.The leather strop was a useful tool for any craftsman who needed to keep their tools sharp.
   对于任何需要保持工具锋利的工匠来说，皮革磨刀石是一个有用的工具。