整修锯齿用工具

例句：

1. 1. The car needs to be repaired before it can be driven again.
   这辆车需要修理才能再次驾驶。
2. 2. The roofof the house needs to be repairedbecause of the leak.
   房子的屋顶因为漏水需要修理。
3. 3. The old clock needed tobe repaired after it broke down.
   旧时钟在坏了之后需要修理。