tractor

1. N-COUNT A tractor is a farm vehicle that is used to pull farm machinery. 拖拉機

2. N-COUNT A tractor is a short vehicle with a powerful engine and a driver's cab. It is used to pull a trailer, such as in a tractor-trailer. 牽引車頭

The truck was an 18-wheeler with a white tractor. 這輛卡車有18輪，還有一個白色牽引車頭。