brush saw gin

例句：

1. 1.The carpenter used a brush saw to cut the wood.
   木匠用锯子切割木材。
2. 2.The old man used his saw to cut down the tree.
   老人用锯子砍倒树。
3. 3. The carpenter used a brush saw to make the door frame.
   木匠用锯子制作门框。