粗锉刀

例句：

1. 1. He used a rough-edge saw to cut the tree into pieces.
   他用一把粗锉刀把树锯成了块。
2. 2. The carpenter needed a rough-edge saw for the job.
   木匠需要一把粗锉刀来完成这项工作。
3. 3. The old man had a rough-edge saw that he used to cut wood.
   那位老人有一把粗锉刀，他用来锯木头。