fretsaw

例句：

1. 1. 锯齿状的；有锯齿的2.
   用锯齿状的工具
2. 3.
   比喻地
3. 1. The carpenter used a fretsaw tocut the wood into pieces.
   木匠用锯齿状的工具将木材切成了块。
4. 2. Theold tree was so rotten that itcould not be saved with a regular saw.
   那棵老树腐烂得无法用常规锯子挽救。
5. 3. The company's financialsituation is fretsaw, and theyare struggling to survive.
   公司的财务状况岌岌可危，他们正努力挣扎求生。