jig saw

例句：

1. 1.The carpenter used a jig saw to cut the wood for the shelves.
   木匠用锯子切割了制作书架的木材。
2. 2. He spent hours sanding and shaping the jig saw to make it fit perfectly.
   他花了几个小时打磨和修整锯，使锯完美契合。
3. 3.The kids were thrilled to get their hands on a new jig saw.
   孩子们很高兴能够拥有一把新的锯。