hand crank grinding tool

例句：

1. 1.This hand crank grinding tool is perfect for small tasks around the house.
   这个手摇磨刀工具非常适合家里做小事情。
2. 2.The old man used to use a hand crank grinding tool to sharpen his knives.
   那位老人过去经常用手摇磨刀器来磨他的刀。
3. 3.I found this hand crank grinding tool at the garage sale and it's really useful.
   我在车库拍卖会上找到了这个手摇磨刀器，它真的很有用。