four-wheeled tractor

例句：

1. 1. This tractor is the best choice for farm work.
   这台拖拉机是农场工作的最好选择。
2. 2. They used a four-wheeled tractor to pull their heavy trailer.
   他们使用一台四轮拖拉机来拉动他们的重型拖车。
3. 3. The farmer had to buy a new four-wheeled tractor because his old one was broken.
   这位农民不得不买一台新的四轮拖拉机，因为他的旧拖拉机坏了。