bull wheel

例句：

1. 1. The farmer useda bull wheel to plow the fields.
   农民使用牛拉的车轮来耕地。
2. 2.The old man was pulling a bull wheelup the hill.
   老人正在用牛拉的车轮把车拉上山。
3. 3. Thebull wheel was a symbol of strength andpower in the community.
   牛拉的车轮是社区力量和权力的象征。