abrasive tools

例句：

1. 1. The abrasivesandpaper scratched my skin.
   粗糙的砂纸刮伤了我的皮肤。
2. 2. The sharpedges of the knife are abrasive to the skin.
   刀尖对皮肤很粗糙。
3. 3. The sound of the car's engine is abrasive tothe ears.
   汽车发动机的声音刺耳。