Helly's fixing fluid

例句：

1. 1. The car needs fixing before it can be driven again.
   这辆车在再次驾驶之前需要修理。
2. 2. The roof needs fixing to prevent leaks.
   屋顶需要修理以防止漏水。
3. 3. Fixing the car's engine is a difficult task.
   修理汽车发动机是一项艰巨的任务。