tractor air tyre
[化] 拖拉机轮胎
tractor airscrew
[机] 拉进式螺旋桨
tractor pneumatic tire
tractor trailer
拖拉机拖车，拖拉机挂车
tractor-drawn
拖拉机牵引
tractor-driver
n. 拖拉机手
tractor-trailer
牵挂式运粮车, 牵引车挂车
tractoration
[医] 金属牵引器疗法
tractorcade
n. 拖拉机行列,成排的拖拉机
tractorette
[美]拖拉机女驾驶员
tractorman
tractors
n. 拖拉机( tractor的复数形式 ); 牵引机; （牵引式挂车的）牵引车; 拖车头
Tractors have revolutionized farming
牵引车革新了农耕业
