tool edge

• 切削刃

tool edge的用法和样例：

例句

1. A single-point tool has only one cutting edge, while a multiple-point tool has two or more cutting edges.
   单刃刀具只有一个切削刃，而多刃刀具有两个或两个以上的切削刃。
2. He sharpened the edge of his knife on a grindstone.
   他在磨石上磨快了他的刀刃。
3. Pity lack of a section on edge,but it shows its rigid blade.
   遗憾的是刀锋上缺了一小块，不过可以显示出刀刃够硬的。