sawing machine

例句：

1. 1. He used a saw to cut the wood into pieces.
   他用锯把木头切成了块。
2. 2. The carpenter was using a saw to make the cuts.
   木匠正在用锯做切割。
3. 3. The saw is essential for cutting through thick materials.
   锯对于切割厚材料是必要的。