tractor/ˈtræktə(r); `træktɚ/ n1 powerful motor vehicleused for pulling farm machinery or other heavy equipment拖拉机; 牵引机. =>illus at plough 见 plough 插图.2 (US) part of a tractor-trailer in which the driver sits （铰接车的）驾驶室.
牛津英汉双解词典