blade stropper

例句：

1. 1. The chef uses ablade stropper to keep hisknives sharp.
   厨师使用刀片磨刀器来保持他的刀锋利。
2. 2. The oldman spent hours each day using a bladestropper to sharpen hisknives.
   老人每天花几个小时用刀片磨刀器来磨他的刀。
3. 3. Theblade stropper is an essential toolfor anyone who needs to maintain their toolsin good condition.
   刀片磨刀器是任何需要维护工具良好状态的人的必备工具。