n.【C】拖拉机；牵引车
The tractor pulls well. 这台拖拉机拉力大。
The tractor had been damaged by rough usage. 这辆拖拉机因使用不经心而损坏了。
The tractor has make deep furrow in the loose sand. 曳引机在松软的沙土上留下了深深的车辙。
