log saw

例句：

1. 1. He used a log saw to cut down the tree.
   他用锯子砍倒了那棵树。
2. 2. The carpenter needed a new log saw for his workshop.
   木匠需要一把新的锯子来他的工作坊。
3. 3. They used a log saw to split the logs for firewood.
   他们用锯子把木头劈成柴火。