剃刀刀口

例句：

1. 1.He used a razor to shave his beard.
   他用剃刀刮胡子。
2. 2. The man was using a pair of scissors to cut the fabric.
   那个人正在用一把剪刀剪布料。
3. 3. She kept her hair short with a pair of scissors.
   她用剪刀把头发剪短了。