jointed harrow

例句：

1. 1. The oldhorse was given a jointed harrowto help him move around more easily.
   这匹老马被给了一个关节状的马槽，以帮助他更容易地移动。
2. 2. The farmer used a jointed harrow to clear the fields before planting newcrops.
   农民使用关节状的马槽来清理田地，以便种植新的作物。
3. 3. Thejointed harrow was a practical solutionfor managing large herds of horses.
   关节状的马槽是管理大量马匹的一个实用解决方案。